#556E86
Closest named color: Metallic Blue (#4F738E). oklch(52.8% 0.048 247.7), rgb(85, 110, 134).
Aa
White text reads best on this color (5.30:1).
About this color
#556E86 is a medium-dark, muted blue. In OKLCH its lightness is 53%, its chroma 0.048 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.017 away. White text reads best on it, at 5.30:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 3.96:1 |
| White text | 5.30:1 |
Values
| HEX | #556E86 |
| RGB | rgb(85, 110, 134) |
| HSL | hsl(209, 22%, 43%) |
| OKLCH | oklch(52.8% 0.048 247.7) |
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 #556E86 | 5.30:1 | AA | Lc -81.7 | Fine for body text |
| Black text on #556E86 | 3.96:1 | AA large text | Lc 27.7 | Dividers and decoration only |
| #556E86 text on white | 5.30:1 | AA | Lc 76.3 | Fine for body text |
| #556E86 text on black | 3.96:1 | AA large text | Lc -25.4 | 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
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E7EAEE
oklch(93.6% 0.006 255.5)
-
Step 200
200
#D3DAE1
oklch(88.5% 0.012 248)
-
Step 300
300
#B6C2CE
oklch(80.8% 0.022 248.1)
-
Step 400
400
#90A3B6
oklch(70.7% 0.035 248.3)
-
Step 500
500
#758CA3
oklch(63% 0.044 248.5)
-
Step 600
600 (this color)
#556E86
oklch(52.8% 0.048 247.7)
-
Step 700
700
#4C6379
oklch(49% 0.045 247.6)
-
Step 800
800
#3F5163
oklch(42.7% 0.038 248.7)
-
Step 900
900
#364350
oklch(37.7% 0.028 248.6)
-
Step 950
950
#1F272F
oklch(26.9% 0.019 248.5)
#556E86 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) | #656E87 | 0.022 |
| Deuteranopia (no green cones) | #5F6986 | 0.019 |
| Tritanopia (no blue cones) | #457476 | 0.041 |
| Achromatopsia (no color) | #6B6B6B | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #556E86
#556E86
oklch(52.8% 0.048 247.7)
- #7E664D
#7E664D
oklch(52.7% 0.048 67.6)
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 #556E86, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.017
- Dull Blue #49759C ΔE 0.036
- Slate #516572 ΔE 0.037
- Battleship Gray #6C757D ΔE 0.043
- Stormy Blue #507B9C ΔE 0.044
- Muted Blue #3B719F ΔE 0.045
- Cerulean #457B9D ΔE 0.045
- Dim Gray #696969 ΔE 0.049
Use #556E86 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.