#597899
Closest named color: Stormy Blue (#507B9C). oklch(56.2% 0.063 250.5), rgb(89, 120, 153).
Aa
White text reads best on this color (4.59:1).
About this color
#597899 is a medium-dark, muted blue. In OKLCH its lightness is 56%, its chroma 0.063 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Stormy Blue (#507B9C), ΔE 0.012 away. White text reads best on it, at 4.59:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Stormy Blue (#507B9C) |
| Black text | 4.57:1 |
| White text | 4.59:1 |
Values
| HEX | #597899 |
| RGB | rgb(89, 120, 153) |
| HSL | hsl(211, 26%, 47%) |
| OKLCH | oklch(56.2% 0.063 250.5) |
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 #597899 | 4.59:1 | AA | Lc -77.3 | Fine for body text |
| Black text on #597899 | 4.57:1 | AA | Lc 32.2 | Non-text elements, placeholder text |
| #597899 text on white | 4.59:1 | AA | Lc 71.9 | Content text, not long reading |
| #597899 text on black | 4.57:1 | AA | Lc -29.8 | Dividers and decoration only |
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
#F4F6F8
oklch(97.2% 0.003 247.9)
-
Step 100
100
#E6EAEF
oklch(93.5% 0.008 253.9)
-
Step 200
200
#D2DAE3
oklch(88.5% 0.015 251.2)
-
Step 300
300
#B4C2D3
oklch(80.9% 0.029 253.3)
-
Step 400
400
#8CA3BC
oklch(70.6% 0.045 250.6)
-
Step 500
500
#6F8CAC
oklch(63% 0.059 251.2)
-
Step 600
600 (this color)
#597899
oklch(56.2% 0.063 250.5)
-
Step 700
700
#476381
oklch(49% 0.059 250.8)
-
Step 800
800
#3B5169
oklch(42.7% 0.048 251.1)
-
Step 900
900
#324355
oklch(37.6% 0.038 250.3)
-
Step 950
950
#1E2732
oklch(26.9% 0.024 253.7)
#597899 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) | #6B799B | 0.024 |
| Deuteranopia (no green cones) | #637298 | 0.020 |
| Tritanopia (no blue cones) | #427F83 | 0.053 |
| Achromatopsia (no color) | #757575 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #597899
#597899
oklch(56.2% 0.063 250.5)
- #8D6F4C
#8D6F4C
oklch(56.3% 0.063 70.3)
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 #597899, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Stormy Blue #507B9C ΔE 0.012
- Cerulean #457B9D ΔE 0.022
- Dull Blue #49759C ΔE 0.022
- Metallic Blue #4F738E ΔE 0.025
- Grey Blue #647D8E ΔE 0.030
- Off Blue #5684AE ΔE 0.041
- Muted Blue #3B719F ΔE 0.043
- Battleship Grey #6B7C85 ΔE 0.043
Use #597899 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.