#597DFA
Closest named color: Cornflower (#6A79F7). oklch(62.8% 0.19 268.4), rgb(89, 125, 250).
Aa
Black text reads best on this color (5.73:1).
About this color
#597DFA is a medium-light, vivid blue. In OKLCH its lightness is 63%, its chroma 0.190 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.021 away. Black text reads best on it, at 5.73:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.190) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.73:1 |
| White text | 3.65:1 |
Values
| HEX | #597DFA |
| RGB | rgb(89, 125, 250) |
| HSL | hsl(227, 94%, 66%) |
| OKLCH | oklch(62.8% 0.19 268.4) |
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 #597DFA | 3.65:1 | AA large text | Lc -69.3 | Content text, not long reading |
| Black text on #597DFA | 5.73:1 | AA | Lc 40.2 | Non-text elements, placeholder text |
| #597DFA text on white | 3.65:1 | AA large text | Lc 63.8 | Content text, not long reading |
| #597DFA text on black | 5.73:1 | AA | Lc -37.8 | 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
#E2EAFD
oklch(93.7% 0.027 267.5)
-
Step 200
200
#CBD9FC
oklch(88.6% 0.051 268.1)
-
Step 300
300
#A7BFFE
oklch(81% 0.093 268.2)
-
Step 400
400
#7A9BFD
oklch(70.8% 0.148 268.4)
-
Step 500
500 (this color)
#597DFA
oklch(62.8% 0.19 268.4)
-
Step 600
600
#4263EA
oklch(55.6% 0.207 268.3)
-
Step 700
700
#3551CC
oklch(49.2% 0.193 268.4)
-
Step 800
800
#2C43A5
oklch(42.7% 0.16 268.6)
-
Step 900
900
#263A82
oklch(37.6% 0.124 268.2)
-
Step 950
950
#16234C
oklch(27% 0.078 267.7)
#597DFA 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) | #358DFE | 0.045 |
| Deuteranopia (no green cones) | #007FF7 | 0.051 |
| Tritanopia (no blue cones) | #009AB0 | 0.158 |
| Achromatopsia (no color) | #868686 | 0.191 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #597DFA
#597DFA
oklch(62.8% 0.19 268.4)
- #A88300
#A88300
oklch(62.8% 0.128 88.6)
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 #597DFA, closest first.
No curated palette has a color within ΔE 0.04 of #597DFA.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.021
- Soft Blue #6488EA ΔE 0.042
- Clear Blue #247AFD ΔE 0.044
- Dodger Blue #1E90FF ΔE 0.056
- Dark Sky Blue #448EE4 ΔE 0.060
- Medium Slate Blue #7B68EE ΔE 0.062
- Chefchaouen Blue #4895EF ΔE 0.066
- Royal Blue #4169E1 ΔE 0.069
Use #597DFA 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.