#597CFF
Closest named color: Cornflower (#6A79F7). oklch(63% 0.198 268.8), rgb(89, 124, 255).
Aa
Black text reads best on this color (5.75:1).
About this color
#597CFF is a medium-light, vivid blue. In OKLCH its lightness is 63%, its chroma 0.198 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.023 away. Black text reads best on it, at 5.75:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.198) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.75:1 |
| White text | 3.65:1 |
Values
| HEX | #597CFF |
| RGB | rgb(89, 124, 255) |
| HSL | hsl(227, 100%, 67%) |
| OKLCH | oklch(63% 0.198 268.8) |
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 #597CFF | 3.65:1 | AA large text | Lc -69.2 | Content text, not long reading |
| Black text on #597CFF | 5.75:1 | AA | Lc 40.4 | Non-text elements, placeholder text |
| #597CFF text on white | 3.65:1 | AA large text | Lc 63.7 | Content text, not long reading |
| #597CFF text on black | 5.75:1 | AA | Lc -38.0 | 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
#F2F5FF
oklch(97.1% 0.014 272.7)
-
Step 100
100
#E2EAFD
oklch(93.7% 0.027 267.5)
-
Step 200
200
#CAD8FE
oklch(88.4% 0.055 269.3)
-
Step 300
300
#A7BEFF
oklch(80.8% 0.096 269.2)
-
Step 400
400
#7A9AFF
oklch(70.7% 0.152 269)
-
Step 500
500 (this color)
#597CFF
oklch(63% 0.198 268.8)
-
Step 600
600
#4261EF
oklch(55.6% 0.216 268.8)
-
Step 700
700
#354FD0
oklch(49.1% 0.2 268.8)
-
Step 800
800
#2C42A8
oklch(42.8% 0.165 268.9)
-
Step 900
900
#263985
oklch(37.7% 0.129 268.8)
-
Step 950
950
#16224E
oklch(26.9% 0.083 268.8)
#597CFF 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) | #298EFF | 0.052 |
| Deuteranopia (no green cones) | #007FFC | 0.050 |
| Tritanopia (no blue cones) | #009BB2 | 0.164 |
| Achromatopsia (no color) | #868686 | 0.198 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #597CFF
#597CFF
oklch(63% 0.198 268.8)
- #A98400
#A98400
oklch(63.1% 0.129 88.8)
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 #597CFF, closest first.
No curated palette has a color within ΔE 0.04 of #597CFF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.023
- Clear Blue #247AFD ΔE 0.044
- Soft Blue #6488EA ΔE 0.049
- Dodger Blue #1E90FF ΔE 0.058
- Medium Slate Blue #7B68EE ΔE 0.062
- Dark Sky Blue #448EE4 ΔE 0.067
- Chefchaouen Blue #4895EF ΔE 0.071
- Royal Blue #4169E1 ΔE 0.071
Use #597CFF 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.