#597D98
Closest named color: Stormy Blue (#507B9C). oklch(57.3% 0.058 241.4), rgb(89, 125, 152).
Aa
Black text reads best on this color (4.81:1).
About this color
#597D98 is a medium-dark, muted blue. In OKLCH its lightness is 57%, its chroma 0.058 and its hue 241°. Its hue sits on the cool side of the wheel. The nearest named color is Stormy Blue (#507B9C), ΔE 0.014 away. Black text reads best on it, at 4.81:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Stormy Blue (#507B9C) |
| Black text | 4.81:1 |
| White text | 4.36:1 |
Values
| HEX | #597D98 |
| RGB | rgb(89, 125, 152) |
| HSL | hsl(206, 26%, 47%) |
| OKLCH | oklch(57.3% 0.058 241.4) |
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 #597D98 | 4.36:1 | AA large text | Lc -75.7 | Fine for body text |
| Black text on #597D98 | 4.81:1 | AA | Lc 33.9 | Non-text elements, placeholder text |
| #597D98 text on white | 4.36:1 | AA large text | Lc 70.2 | Content text, not long reading |
| #597D98 text on black | 4.81:1 | AA | Lc -31.5 | 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 600.
-
Step 50
50
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E6EBEE
oklch(93.7% 0.007 233.6)
-
Step 200
200
#D1DBE2
oklch(88.6% 0.015 238)
-
Step 300
300
#B2C3D0
oklch(80.8% 0.026 240.7)
-
Step 400
400
#8AA4B9
oklch(70.6% 0.042 242.7)
-
Step 500
500
#6D8EA7
oklch(63.1% 0.053 241.3)
-
Step 600
600 (this color)
#597D98
oklch(57.3% 0.058 241.4)
-
Step 700
700
#44657D
oklch(49.1% 0.054 240.8)
-
Step 800
800
#385266
oklch(42.6% 0.046 242.2)
-
Step 900
900
#314453
oklch(37.7% 0.035 242.6)
-
Step 950
950
#1D2830
oklch(27% 0.021 240.1)
#597D98 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) | #727D99 | 0.032 |
| Deuteranopia (no green cones) | #697698 | 0.027 |
| Tritanopia (no blue cones) | #418486 | 0.048 |
| Achromatopsia (no color) | #797979 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #597D98
#597D98
oklch(57.3% 0.058 241.4)
- #927155
#927155
oklch(57.4% 0.058 61.6)
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 #597D98, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Stormy Blue #507B9C ΔE 0.014
- Grey Blue #647D8E ΔE 0.020
- Cerulean #457B9D ΔE 0.024
- Dull Blue #49759C ΔE 0.033
- Slate Gray #708090 ΔE 0.034
- Metallic Blue #4F738E ΔE 0.034
- Off Blue #5684AE ΔE 0.035
- Battleship Grey #6B7C85 ΔE 0.035
Use #597D98 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.