#5B6885
Closest named color: Metallic Blue (#4F738E). oklch(51.8% 0.049 265.9), rgb(91, 104, 133).
Aa
White text reads best on this color (5.57:1).
About this color
#5B6885 is a medium-dark, muted blue. In OKLCH its lightness is 52%, its chroma 0.049 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.033 away. White text reads best on it, at 5.57:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 3.76:1 |
| White text | 5.57:1 |
Values
| HEX | #5B6885 |
| RGB | rgb(91, 104, 133) |
| HSL | hsl(221, 19%, 44%) |
| OKLCH | oklch(51.8% 0.049 265.9) |
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 #5B6885 | 5.57:1 | AA | Lc -83.2 | Fine for body text |
| Black text on #5B6885 | 3.76:1 | AA large text | Lc 26.2 | Dividers and decoration only |
| #5B6885 text on white | 5.57:1 | AA | Lc 77.9 | Fine for body text |
| #5B6885 text on black | 3.76:1 | AA large text | Lc -23.9 | 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 700.
-
Step 50
50
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E8EAEF
oklch(93.7% 0.007 268.5)
-
Step 200
200
#D5D9E2
oklch(88.5% 0.013 266.7)
-
Step 300
300
#B9C1D0
oklch(80.9% 0.023 263.2)
-
Step 400
400
#95A1B9
oklch(70.8% 0.038 264.3)
-
Step 500
500
#7C89A7
oklch(63% 0.048 266.6)
-
Step 600
600
#657393
oklch(55.6% 0.053 266.3)
-
Step 700
700 (this color)
#5B6885
oklch(51.8% 0.049 265.9)
-
Step 800
800
#444F66
oklch(42.7% 0.041 264.8)
-
Step 900
900
#3A4153
oklch(37.6% 0.032 268.2)
-
Step 950
950
#222630
oklch(26.9% 0.02 267.9)
#5B6885 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) | #5F6A86 | 0.009 |
| Deuteranopia (no green cones) | #5B6684 | 0.006 |
| Tritanopia (no blue cones) | #4F6E72 | 0.044 |
| Achromatopsia (no color) | #686868 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B6885
#5B6885
oklch(51.8% 0.049 265.9)
- #756748
#756748
oklch(51.9% 0.049 86.4)
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 #5B6885, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.033
- Slate #516572 ΔE 0.034
- Denim #3B638C ΔE 0.046
- Dull Blue #49759C ΔE 0.047
- Dim Gray #696969 ΔE 0.049
- Dusky Blue #475F94 ΔE 0.050
- Muted Blue #3B719F ΔE 0.052
- Battleship Gray #6C757D ΔE 0.052
Use #5B6885 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.