#5B7993
Closest named color: Stormy Blue (#507B9C). oklch(56.3% 0.053 245.1), rgb(91, 121, 147).
Aa
Black text reads best on this color (4.60:1).
About this color
#5B7993 is a medium-dark, muted blue. In OKLCH its lightness is 56%, its chroma 0.053 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Stormy Blue (#507B9C), ΔE 0.017 away. Black text reads best on it, at 4.60:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Stormy Blue (#507B9C) |
| Black text | 4.60:1 |
| White text | 4.56:1 |
Values
| HEX | #5B7993 |
| RGB | rgb(91, 121, 147) |
| HSL | hsl(208, 24%, 47%) |
| OKLCH | oklch(56.3% 0.053 245.1) |
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 #5B7993 | 4.56:1 | AA | Lc -77.1 | Fine for body text |
| Black text on #5B7993 | 4.60:1 | AA | Lc 32.4 | Non-text elements, placeholder text |
| #5B7993 text on white | 4.56:1 | AA | Lc 71.7 | Content text, not long reading |
| #5B7993 text on black | 4.60:1 | AA | Lc -30.0 | 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 600.
-
Step 50
50
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E6EAEE
oklch(93.5% 0.007 247.9)
-
Step 200
200
#D2DAE1
oklch(88.4% 0.013 244.3)
-
Step 300
300
#B4C3CF
oklch(80.9% 0.024 242)
-
Step 400
400
#8DA4B7
oklch(70.7% 0.038 243.2)
-
Step 500
500
#718DA6
oklch(63.1% 0.049 245.6)
-
Step 600
600 (this color)
#5B7993
oklch(56.3% 0.053 245.1)
-
Step 700
700
#49647B
oklch(49.1% 0.049 244.7)
-
Step 800
800
#3C5264
oklch(42.8% 0.04 243.6)
-
Step 900
900
#334452
oklch(37.8% 0.032 243.6)
-
Step 950
950
#1E2830
oklch(27.1% 0.02 242.7)
#5B7993 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) | #6E7994 | 0.025 |
| Deuteranopia (no green cones) | #677393 | 0.022 |
| Tritanopia (no blue cones) | #487F81 | 0.044 |
| Achromatopsia (no color) | #767676 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B7993
#5B7993
oklch(56.3% 0.053 245.1)
- #8C6F54
#8C6F54
oklch(56.3% 0.054 64.3)
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 #5B7993, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Stormy Blue #507B9C ΔE 0.017
- Grey Blue #647D8E ΔE 0.020
- Metallic Blue #4F738E ΔE 0.025
- Cerulean #457B9D ΔE 0.026
- Dull Blue #49759C ΔE 0.030
- Battleship Grey #6B7C85 ΔE 0.033
- Slate Gray #708090 ΔE 0.037
- Battleship Gray #6C757D ΔE 0.037
Use #5B7993 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.