#2F5B89
Closest named color: Light Navy Blue (#2E5A88). oklch(46.2% 0.09 251.3), rgb(47, 91, 137).
Aa
White text reads best on this color (7.05:1).
About this color
#2F5B89 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.090 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.003 away. White text reads best on it, at 7.05:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 2.97:1 |
| White text | 7.05:1 |
Values
| HEX | #2F5B89 |
| RGB | rgb(47, 91, 137) |
| HSL | hsl(211, 49%, 36%) |
| OKLCH | oklch(46.2% 0.09 251.3) |
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 #2F5B89 | 7.05:1 | AAA | Lc -89.2 | Fine for body text |
| Black text on #2F5B89 | 2.97:1 | Fails | Lc 19.8 | Dividers and decoration only |
| #2F5B89 text on white | 7.05:1 | AAA | Lc 84.2 | Fine for body text |
| #2F5B89 text on black | 2.97:1 | Fails | Lc -17.7 | 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 700.
-
Step 50
50
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E4EBF2
oklch(93.7% 0.012 248)
-
Step 200
200
#CEDBE9
oklch(88.6% 0.024 250.1)
-
Step 300
300
#ADC3DC
oklch(80.9% 0.043 251.7)
-
Step 400
400
#81A4CB
oklch(70.7% 0.069 251.5)
-
Step 500
500
#608DBE
oklch(63.1% 0.089 251.4)
-
Step 600
600
#4676AA
oklch(55.5% 0.097 251.7)
-
Step 700
700 (this color)
#2F5B89
oklch(46.2% 0.09 251.3)
-
Step 800
800
#2E5176
oklch(42.6% 0.074 251.2)
-
Step 900
900
#29435F
oklch(37.5% 0.058 251.3)
-
Step 950
950
#192838
oklch(27.1% 0.036 250.8)
#2F5B89 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) | #475D8B | 0.029 |
| Deuteranopia (no green cones) | #3B5588 | 0.020 |
| Tritanopia (no blue cones) | #00666B | 0.073 |
| Achromatopsia (no color) | #595959 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F5B89
#2F5B89
oklch(46.2% 0.09 251.3)
- #784F14
#784F14
oklch(46.3% 0.09 70.9)
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 #2F5B89, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.003
- Denim Blue #3B5B92 ΔE 0.020
- Dusk Blue #26538D ΔE 0.028
- Denim #3B638C ΔE 0.029
- YInMn Blue #415A77 ΔE 0.034
- Dusky Blue #475F94 ΔE 0.036
- Peacock Blue #016795 ΔE 0.039
- Deep Sea Blue #015482 ΔE 0.039
Use #2F5B89 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.