#2F5B8D
Closest named color: Light Navy Blue (#2E5A88). oklch(46.4% 0.095 253.1), rgb(47, 91, 141).
Aa
White text reads best on this color (6.99:1).
About this color
#2F5B8D is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.095 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.008 away. White text reads best on it, at 6.99:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.095) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 3.00:1 |
| White text | 6.99:1 |
Values
| HEX | #2F5B8D |
| RGB | rgb(47, 91, 141) |
| HSL | hsl(212, 50%, 37%) |
| OKLCH | oklch(46.4% 0.095 253.1) |
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 #2F5B8D | 6.99:1 | AA | Lc -89.0 | Fine for body text |
| Black text on #2F5B8D | 3.00:1 | AA large text | Lc 20.0 | Dividers and decoration only |
| #2F5B8D text on white | 6.99:1 | AA | Lc 84.0 | Fine for body text |
| #2F5B8D text on black | 3.00:1 | AA large text | Lc -18.0 | 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EBF3
oklch(93.7% 0.013 251.6)
-
Step 200
200
#CEDBEA
oklch(88.6% 0.025 251.9)
-
Step 300
300
#ACC3DE
oklch(80.9% 0.046 252.5)
-
Step 400
400
#80A4CE
oklch(70.8% 0.073 252.7)
-
Step 500
500
#5F8CC1
oklch(63% 0.094 253.2)
-
Step 600
600
#4576AE
oklch(55.7% 0.103 252.9)
-
Step 700
700 (this color)
#2F5B8D
oklch(46.4% 0.095 253.1)
-
Step 800
800
#2E5179
oklch(42.8% 0.078 252.9)
-
Step 900
900
#294362
oklch(37.7% 0.062 253.6)
-
Step 950
950
#182739
oklch(26.8% 0.04 253.6)
#2F5B8D 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) | #455E8F | 0.027 |
| Deuteranopia (no green cones) | #38558C | 0.018 |
| Tritanopia (no blue cones) | #00676D | 0.077 |
| Achromatopsia (no color) | #595959 | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F5B8D
#2F5B8D
oklch(46.4% 0.095 253.1)
- #794F08
#794F08
oklch(46.4% 0.095 72.7)
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 #2F5B8D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.008
- Denim Blue #3B5B92 ΔE 0.016
- Dusk Blue #26538D ΔE 0.027
- Denim #3B638C ΔE 0.029
- Dusky Blue #475F94 ΔE 0.033
- Peacock Blue #016795 ΔE 0.038
- YInMn Blue #415A77 ΔE 0.039
- Deep Sea Blue #015482 ΔE 0.041
Use #2F5B8D 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.