#597BF5
Closest named color: Cornflower (#6A79F7). oklch(62.1% 0.186 268.8), rgb(89, 123, 245).
Aa
Black text reads best on this color (5.57:1).
About this color
#597BF5 is a medium-light, vivid blue. In OKLCH its lightness is 62%, its chroma 0.186 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.020 away. Black text reads best on it, at 5.57:1.
| Hue family | Blues |
| Lightness | medium-light (62%) |
| Chroma | vivid (0.186) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.57:1 |
| White text | 3.76:1 |
Values
| HEX | #597BF5 |
| RGB | rgb(89, 123, 245) |
| HSL | hsl(227, 89%, 65%) |
| OKLCH | oklch(62.1% 0.186 268.8) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #597BF5 | 3.76:1 | AA large text | Lc -70.4 | Content text, not long reading |
| Black text on #597BF5 | 5.57:1 | AA | Lc 39.2 | Non-text elements, placeholder text |
| #597BF5 text on white | 3.76:1 | AA large text | Lc 64.9 | Content text, not long reading |
| #597BF5 text on black | 5.57:1 | AA | Lc -36.8 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E2EAFC
oklch(93.6% 0.026 266.6)
-
Step 200
200
#CBD9FC
oklch(88.6% 0.051 268.1)
-
Step 300
300
#A8BFFC
oklch(80.9% 0.09 268.4)
-
Step 400
400
#7B9BFB
oklch(70.7% 0.145 268.6)
-
Step 500
500 (this color)
#597BF5
oklch(62.1% 0.186 268.8)
-
Step 600
600
#4464E7
oklch(55.6% 0.201 268.6)
-
Step 700
700
#3751C9
oklch(49% 0.188 268.9)
-
Step 800
800
#2D44A3
oklch(42.8% 0.156 268.6)
-
Step 900
900
#283A81
oklch(37.7% 0.122 269.1)
-
Step 950
950
#17234C
oklch(27.1% 0.077 268.6)
#597BF5 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #368BF9 | 0.045 |
| Deuteranopia (no green cones) | #007DF2 | 0.052 |
| Tritanopia (no blue cones) | #0097AC | 0.156 |
| Achromatopsia (no color) | #838383 | 0.186 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #597BF5
#597BF5
oklch(62.1% 0.186 268.8)
- #A58100
#A58100
oklch(62% 0.127 88.9)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #597BF5, closest first.
No curated palette has a color within ΔE 0.04 of #597BF5.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.020
- Soft Blue #6488EA ΔE 0.042
- Clear Blue #247AFD ΔE 0.044
- Medium Slate Blue #7B68EE ΔE 0.058
- Dodger Blue #1E90FF ΔE 0.060
- Dark Sky Blue #448EE4 ΔE 0.060
- Royal Blue #4169E1 ΔE 0.062
- Chefchaouen Blue #4895EF ΔE 0.068
Use #597BF5 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.