#2B5675
Closest named color: YInMn Blue (#415A77). oklch(43.7% 0.07 242.1), rgb(43, 86, 117).
Aa
White text reads best on this color (7.80:1).
About this color
#2B5675 is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.070 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.029 away. White text reads best on it, at 7.80:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.070) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.69:1 |
| White text | 7.80:1 |
Values
| HEX | #2B5675 |
| RGB | rgb(43, 86, 117) |
| HSL | hsl(205, 46%, 31%) |
| OKLCH | oklch(43.7% 0.07 242.1) |
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 #2B5675 | 7.80:1 | AAA | Lc -91.7 | Preferred for body text |
| Black text on #2B5675 | 2.69:1 | Fails | Lc 17.1 | Dividers and decoration only |
| #2B5675 text on white | 7.80:1 | AAA | Lc 86.9 | Fine for body text |
| #2B5675 text on black | 2.69:1 | Fails | Lc -15.2 | 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 800.
-
Step 50
50
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF1
oklch(93.6% 0.012 239.9)
-
Step 200
200
#CDDBE7
oklch(88.4% 0.022 243.8)
-
Step 300
300
#AAC4D9
oklch(80.8% 0.041 242.5)
-
Step 400
400
#7CA6C6
oklch(70.6% 0.065 241.7)
-
Step 500
500
#5A90B8
oklch(63.2% 0.083 241.8)
-
Step 600
600
#3E79A4
oklch(55.5% 0.091 242.5)
-
Step 700
700
#2F668D
oklch(49.1% 0.085 242.2)
-
Step 800
800 (this color)
#2B5675
oklch(43.7% 0.07 242.1)
-
Step 900
900
#25455C
oklch(37.7% 0.055 241.5)
-
Step 950
950
#172936
oklch(27.2% 0.034 241)
#2B5675 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) | #485676 | 0.035 |
| Deuteranopia (no green cones) | #3E4F74 | 0.028 |
| Tritanopia (no blue cones) | #005E61 | 0.054 |
| Achromatopsia (no color) | #525252 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B5675
#2B5675
oklch(43.7% 0.07 242.1)
- #6D4826
#6D4826
oklch(43.6% 0.07 61.8)
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 #2B5675, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.029
- Light Navy Blue #2E5A88 ΔE 0.032
- Deep Sea Blue #015482 ΔE 0.033
- Light Navy #155084 ΔE 0.039
- Dusk Blue #26538D ΔE 0.043
- Petrol #005F6A ΔE 0.043
- Dusk #4E5481 ΔE 0.050
- Dusty Grape #545775 ΔE 0.053
Use #2B5675 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.