#5D7B99
Closest named color: Stormy Blue (#507B9C). oklch(57.1% 0.058 248.9), rgb(93, 123, 153).
Aa
Black text reads best on this color (4.75:1).
About this color
#5D7B99 is a medium-dark, muted blue. In OKLCH its lightness is 57%, its chroma 0.058 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Stormy Blue (#507B9C), ΔE 0.015 away. Black text reads best on it, at 4.75:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Stormy Blue (#507B9C) |
| Black text | 4.75:1 |
| White text | 4.41:1 |
Values
| HEX | #5D7B99 |
| RGB | rgb(93, 123, 153) |
| HSL | hsl(210, 24%, 48%) |
| OKLCH | oklch(57.1% 0.058 248.9) |
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 #5D7B99 | 4.41:1 | AA large text | Lc -76.0 | Fine for body text |
| Black text on #5D7B99 | 4.75:1 | AA | Lc 33.5 | Non-text elements, placeholder text |
| #5D7B99 text on white | 4.41:1 | AA large text | Lc 70.6 | Content text, not long reading |
| #5D7B99 text on black | 4.75:1 | AA | Lc -31.1 | 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
#F4F6F8
oklch(97.2% 0.003 247.9)
-
Step 100
100
#E6EAEF
oklch(93.5% 0.008 253.9)
-
Step 200
200
#D2DAE2
oklch(88.5% 0.014 248)
-
Step 300
300
#B4C2D1
oklch(80.8% 0.026 250)
-
Step 400
400
#8DA3BA
oklch(70.6% 0.042 249.6)
-
Step 500
500
#718DA9
oklch(63.2% 0.053 248.7)
-
Step 600
600 (this color)
#5D7B99
oklch(57.1% 0.058 248.9)
-
Step 700
700
#48637E
oklch(48.9% 0.054 249)
-
Step 800
800
#3C5167
oklch(42.7% 0.045 250.1)
-
Step 900
900
#334354
oklch(37.6% 0.036 250.3)
-
Step 950
950
#1E2731
oklch(26.9% 0.023 251.3)
#5D7B99 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) | #6F7C9A | 0.024 |
| Deuteranopia (no green cones) | #687598 | 0.021 |
| Tritanopia (no blue cones) | #488285 | 0.049 |
| Achromatopsia (no color) | #787878 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5D7B99
#5D7B99
oklch(57.1% 0.058 248.9)
- #8F7252
#8F7252
oklch(57.2% 0.059 69)
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 #5D7B99, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Stormy Blue #507B9C ΔE 0.015
- Grey Blue #647D8E ΔE 0.021
- Cerulean #457B9D ΔE 0.027
- Dull Blue #49759C ΔE 0.032
- Metallic Blue #4F738E ΔE 0.033
- Slate Gray #708090 ΔE 0.034
- Off Blue #5684AE ΔE 0.035
- Battleship Grey #6B7C85 ΔE 0.036
Use #5D7B99 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.