#556982
Closest named color: Slate (#516572). oklch(51.4% 0.047 254.2), rgb(85, 105, 130).
Aa
White text reads best on this color (5.63:1).
About this color
#556982 is a medium-dark, muted blue. In OKLCH its lightness is 51%, its chroma 0.047 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Slate (#516572), ΔE 0.027 away. White text reads best on it, at 5.63:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 3.72:1 |
| White text | 5.63:1 |
Values
| HEX | #556982 |
| RGB | rgb(85, 105, 130) |
| HSL | hsl(213, 21%, 42%) |
| OKLCH | oklch(51.4% 0.047 254.2) |
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 #556982 | 5.63:1 | AA | Lc -83.4 | Fine for body text |
| Black text on #556982 | 3.72:1 | AA large text | Lc 25.9 | Dividers and decoration only |
| #556982 text on white | 5.63:1 | AA | Lc 78.1 | Fine for body text |
| #556982 text on black | 3.72:1 | AA large text | Lc -23.6 | 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
#F4F5F7
oklch(97% 0.003 264.5)
-
Step 100
100
#E7EAEE
oklch(93.6% 0.006 255.5)
-
Step 200
200
#D4DAE1
oklch(88.6% 0.012 252.1)
-
Step 300
300
#B7C2CF
oklch(81% 0.022 252.5)
-
Step 400
400
#92A2B7
oklch(70.7% 0.036 255.3)
-
Step 500
500
#778BA5
oklch(63% 0.046 255.1)
-
Step 600
600
#5F7591
oklch(55.6% 0.051 254.7)
-
Step 700
700 (this color)
#556982
oklch(51.4% 0.047 254.2)
-
Step 800
800
#415064
oklch(42.7% 0.038 255.7)
-
Step 900
900
#374352
oklch(37.8% 0.03 254.2)
-
Step 950
950
#202730
oklch(27% 0.02 254.8)
#556982 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) | #606A83 | 0.016 |
| Deuteranopia (no green cones) | #5B6581 | 0.013 |
| Tritanopia (no blue cones) | #476E71 | 0.040 |
| Achromatopsia (no color) | #676767 | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #556982
#556982
oklch(51.4% 0.047 254.2)
- #786449
#786449
oklch(51.6% 0.047 74.7)
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 #556982, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.027
- Metallic Blue #4F738E ΔE 0.030
- Denim #3B638C ΔE 0.043
- Dull Blue #49759C ΔE 0.046
- Dim Gray #696969 ΔE 0.047
- Muted Blue #3B719F ΔE 0.050
- Dusky Blue #475F94 ΔE 0.051
- Dusty Grape #545775 ΔE 0.053
Use #556982 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.