#5B707C
Closest named color: Metallic Blue (#4F738E). oklch(53.3% 0.031 233.2), rgb(91, 112, 124).
Aa
White text reads best on this color (5.18:1).
About this color
#5B707C is a medium-dark, muted blue. In OKLCH its lightness is 53%, its chroma 0.031 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.029 away. White text reads best on it, at 5.18:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | muted (0.031) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 4.05:1 |
| White text | 5.18:1 |
Values
| HEX | #5B707C |
| RGB | rgb(91, 112, 124) |
| HSL | hsl(202, 15%, 42%) |
| OKLCH | oklch(53.3% 0.031 233.2) |
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 #5B707C | 5.18:1 | AA | Lc -81.0 | Fine for body text |
| Black text on #5B707C | 4.05:1 | AA large text | Lc 28.4 | Dividers and decoration only |
| #5B707C text on white | 5.18:1 | AA | Lc 75.7 | Fine for body text |
| #5B707C text on black | 4.05:1 | AA large text | Lc -26.1 | 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
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E7EAEC
oklch(93.5% 0.004 236.5)
-
Step 200
200
#D4DADD
oklch(88.5% 0.008 228.9)
-
Step 300
300
#B8C2C8
oklch(80.8% 0.014 233.8)
-
Step 400
400
#93A3AD
oklch(70.6% 0.023 235.2)
-
Step 500
500
#798D98
oklch(63.1% 0.028 231.9)
-
Step 600
600 (this color)
#5B707C
oklch(53.3% 0.031 233.2)
-
Step 700
700
#51646F
oklch(49.2% 0.029 233.6)
-
Step 800
800
#42515A
oklch(42.6% 0.024 234.5)
-
Step 900
900
#38434A
oklch(37.6% 0.019 235.9)
-
Step 950
950
#21282B
oklch(27.1% 0.011 225.5)
#5B707C 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) | #6A6F7D | 0.021 |
| Deuteranopia (no green cones) | #666B7C | 0.020 |
| Tritanopia (no blue cones) | #517374 | 0.022 |
| Achromatopsia (no color) | #6D6D6D | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B707C
#5B707C
oklch(53.3% 0.031 233.2)
- #7C685C
#7C685C
oklch(53.3% 0.032 52.8)
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 #5B707C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.029
- Battleship Gray #6C757D ΔE 0.029
- Dim Gray #696969 ΔE 0.033
- Slate #516572 ΔE 0.037
- Battleship Grey #6B7C85 ΔE 0.044
- Grey Blue #647D8E ΔE 0.044
- Dull Blue #49759C ΔE 0.051
- Stormy Blue #507B9C ΔE 0.051
Use #5B707C 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.