#2F5A88
Closest named color: Light Navy Blue (#2E5A88). oklch(45.9% 0.09 251.8), rgb(47, 90, 136).
Aa
White text reads best on this color (7.14:1).
About this color
#2F5A88 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.090 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.001 away. White text reads best on it, at 7.14:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 2.93:1 |
| White text | 7.14:1 |
Values
| HEX | #2F5A88 |
| RGB | rgb(47, 90, 136) |
| HSL | hsl(211, 49%, 36%) |
| OKLCH | oklch(45.9% 0.09 251.8) |
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 #2F5A88 | 7.14:1 | AAA | Lc -89.5 | Fine for body text |
| Black text on #2F5A88 | 2.93:1 | Fails | Lc 19.4 | Dividers and decoration only |
| #2F5A88 text on white | 7.14:1 | AAA | Lc 84.6 | Fine for body text |
| #2F5A88 text on black | 2.93:1 | Fails | Lc -17.4 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF4
oklch(93.7% 0.015 251.2)
-
Step 200
200
#CCDBEC
oklch(88.5% 0.029 251.5)
-
Step 300
300
#A9C4E2
oklch(81% 0.052 251.2)
-
Step 400
400
#7AA4D4
oklch(70.7% 0.084 252.3)
-
Step 500
500
#578DC8
oklch(63.1% 0.106 251.8)
-
Step 600
600
#3B76B5
oklch(55.6% 0.116 252)
-
Step 700
700
#2C639C
oklch(49.1% 0.109 251.7)
-
Step 800
800 (this color)
#2F5A88
oklch(45.9% 0.09 251.8)
-
Step 900
900
#244365
oklch(37.6% 0.069 252.1)
-
Step 950
950
#16283B
oklch(27.1% 0.043 250.9)
#2F5A88 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) | #465C8A | 0.028 |
| Deuteranopia (no green cones) | #3A5487 | 0.019 |
| Tritanopia (no blue cones) | #00656B | 0.072 |
| Achromatopsia (no color) | #585858 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F5A88
#2F5A88
oklch(45.9% 0.09 251.8)
- #764E13
#764E13
oklch(45.8% 0.089 71.5)
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 #2F5A88, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.001
- Denim Blue #3B5B92 ΔE 0.022
- Dusk Blue #26538D ΔE 0.026
- Denim #3B638C ΔE 0.031
- YInMn Blue #415A77 ΔE 0.033
- Deep Sea Blue #015482 ΔE 0.037
- Dusky Blue #475F94 ΔE 0.038
- Dusk #4E5481 ΔE 0.039
Use #2F5A88 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.