#556D94
Closest named color: Metallic Blue (#4F738E). oklch(53.2% 0.068 259.9), rgb(85, 109, 148).
Aa
White text reads best on this color (5.24:1).
About this color
#556D94 is a medium-dark, muted blue. In OKLCH its lightness is 53%, its chroma 0.068 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.023 away. White text reads best on it, at 5.24:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 4.00:1 |
| White text | 5.24:1 |
Values
| HEX | #556D94 |
| RGB | rgb(85, 109, 148) |
| HSL | hsl(217, 27%, 46%) |
| OKLCH | oklch(53.2% 0.068 259.9) |
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 #556D94 | 5.24:1 | AA | Lc -81.4 | Fine for body text |
| Black text on #556D94 | 4.00:1 | AA large text | Lc 28.1 | Dividers and decoration only |
| #556D94 text on white | 5.24:1 | AA | Lc 76.0 | Fine for body text |
| #556D94 text on black | 4.00:1 | AA large text | Lc -25.7 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E6EAF0
oklch(93.6% 0.009 258.3)
-
Step 200
200
#D3DAE5
oklch(88.6% 0.017 259.4)
-
Step 300
300
#B5C1D5
oklch(80.8% 0.031 260.7)
-
Step 400
400
#8FA2C0
oklch(70.8% 0.049 259.5)
-
Step 500
500
#738AB0
oklch(63% 0.063 260.3)
-
Step 600
600 (this color)
#556D94
oklch(53.2% 0.068 259.9)
-
Step 700
700
#4B6185
oklch(49% 0.064 260)
-
Step 800
800
#3E506C
oklch(42.8% 0.052 259.1)
-
Step 900
900
#354258
oklch(37.7% 0.042 260.8)
-
Step 950
950
#1F2733
oklch(27.1% 0.025 258.3)
#556D94 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) | #5F6F96 | 0.015 |
| Deuteranopia (no green cones) | #586993 | 0.012 |
| Tritanopia (no blue cones) | #3F757A | 0.061 |
| Achromatopsia (no color) | #6C6C6C | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #556D94
#556D94
oklch(53.2% 0.068 259.9)
- #81683D
#81683D
oklch(53.2% 0.068 80.1)
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 #556D94, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.023
- Dull Blue #49759C ΔE 0.025
- Muted Blue #3B719F ΔE 0.031
- Flat Blue #3C73A8 ΔE 0.039
- Stormy Blue #507B9C ΔE 0.039
- Cerulean #457B9D ΔE 0.041
- French Blue #436BAD ΔE 0.046
- Denim #3B638C ΔE 0.046
Use #556D94 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.