#2E556B
Closest named color: YInMn Blue (#415A77). oklch(43% 0.057 235), rgb(46, 85, 107).
Aa
White text reads best on this color (7.99:1).
About this color
#2E556B is a dark, muted blue. In OKLCH its lightness is 43%, its chroma 0.057 and its hue 235°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.034 away. White text reads best on it, at 7.99:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.62:1 |
| White text | 7.99:1 |
Values
| HEX | #2E556B |
| RGB | rgb(46, 85, 107) |
| HSL | hsl(202, 40%, 30%) |
| OKLCH | oklch(43% 0.057 235) |
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 #2E556B | 7.99:1 | AAA | Lc -92.3 | Preferred for body text |
| Black text on #2E556B | 2.62:1 | Fails | Lc 16.4 | Dividers and decoration only |
| #2E556B text on white | 7.99:1 | AAA | Lc 87.6 | Fine for body text |
| #2E556B text on black | 2.62:1 | Fails | Lc -14.6 | Not readable |
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 800.
-
Step 50
50
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E4EBEF
oklch(93.6% 0.009 232.4)
-
Step 200
200
#CEDBE4
oklch(88.4% 0.019 237.8)
-
Step 300
300
#ADC5D3
oklch(81% 0.033 233.4)
-
Step 400
400
#80A7BE
oklch(70.8% 0.054 234.4)
-
Step 500
500
#5F90AD
oklch(63% 0.069 235.4)
-
Step 600
600
#447A99
oklch(55.5% 0.075 235.5)
-
Step 700
700
#366782
oklch(49.1% 0.069 234.6)
-
Step 800
800 (this color)
#2E556B
oklch(43% 0.057 235)
-
Step 900
900
#294656
oklch(37.8% 0.044 233.8)
-
Step 950
950
#182932
oklch(27% 0.028 232.3)
#2E556B 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) | #4B546C | 0.037 |
| Deuteranopia (no green cones) | #424E6B | 0.031 |
| Tritanopia (no blue cones) | #035B5C | 0.045 |
| Achromatopsia (no color) | #515151 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2E556B
#2E556B
oklch(43% 0.057 235)
- #694731
#694731
oklch(43% 0.058 53.5)
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 #2E556B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.034
- Petrol #005F6A ΔE 0.038
- Deep Teal #00555A ΔE 0.044
- Deep Sea Blue #015482 ΔE 0.046
- Dark Slate Gray #2F4F4F ΔE 0.046
- Light Navy Blue #2E5A88 ΔE 0.048
- Dark Grey Blue #29465B ΔE 0.050
- Light Navy #155084 ΔE 0.052
Use #2E556B 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.