#2C536F
Closest named color: YInMn Blue (#415A77). oklch(42.6% 0.064 241.6), rgb(44, 83, 111).
Aa
White text reads best on this color (8.15:1).
About this color
#2C536F is a dark, muted blue. In OKLCH its lightness is 43%, its chroma 0.064 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.036 away. White text reads best on it, at 8.15:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.57:1 |
| White text | 8.15:1 |
Values
| HEX | #2C536F |
| RGB | rgb(44, 83, 111) |
| HSL | hsl(205, 43%, 30%) |
| OKLCH | oklch(42.6% 0.064 241.6) |
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 #2C536F | 8.15:1 | AAA | Lc -92.7 | Preferred for body text |
| Black text on #2C536F | 2.57:1 | Fails | Lc 15.9 | Dividers and decoration only |
| #2C536F text on white | 8.15:1 | AAA | Lc 88.1 | Fine for body text |
| #2C536F text on black | 2.57:1 | Fails | Lc -14.1 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E4EBF1
oklch(93.6% 0.011 243.7)
-
Step 200
200
#CEDBE6
oklch(88.5% 0.021 243.4)
-
Step 300
300
#ACC4D7
oklch(80.8% 0.038 241.9)
-
Step 400
400
#7FA6C3
oklch(70.7% 0.06 240.9)
-
Step 500
500
#5E8FB4
oklch(63% 0.077 242.1)
-
Step 600
600
#4379A0
oklch(55.6% 0.084 241.8)
-
Step 700
700
#346689
oklch(49.1% 0.078 241.3)
-
Step 800
800 (this color)
#2C536F
oklch(42.6% 0.064 241.6)
-
Step 900
900
#28455A
oklch(37.7% 0.05 241.3)
-
Step 950
950
#182835
oklch(26.9% 0.033 243.9)
#2C536F 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) | #475370 | 0.034 |
| Deuteranopia (no green cones) | #3E4C6E | 0.028 |
| Tritanopia (no blue cones) | #005A5C | 0.052 |
| Achromatopsia (no color) | #4F4F4F | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2C536F
#2C536F
oklch(42.6% 0.064 241.6)
- #684628
#684628
oklch(42.5% 0.064 61.2)
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 #2C536F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.036
- Deep Sea Blue #015482 ΔE 0.038
- Light Navy #155084 ΔE 0.042
- Light Navy Blue #2E5A88 ΔE 0.043
- Petrol #005F6A ΔE 0.045
- Dark Grey Blue #29465B ΔE 0.048
- Deep Teal #00555A ΔE 0.049
- Dusk Blue #26538D ΔE 0.050
Use #2C536F 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.