#2F5997
Closest named color: Denim Blue (#3B5B92). oklch(46.6% 0.112 258.1), rgb(47, 89, 151).
Aa
White text reads best on this color (7.00:1).
About this color
#2F5997 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.112 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.017 away. White text reads best on it, at 7.00:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.112) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 2.99:1 |
| White text | 7.00:1 |
Values
| HEX | #2F5997 |
| RGB | rgb(47, 89, 151) |
| HSL | hsl(216, 53%, 39%) |
| OKLCH | oklch(46.6% 0.112 258.1) |
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 #2F5997 | 7.00:1 | AAA | Lc -89.0 | Fine for body text |
| Black text on #2F5997 | 2.99:1 | Fails | Lc 20.0 | Dividers and decoration only |
| #2F5997 text on white | 7.00:1 | AAA | Lc 84.0 | Fine for body text |
| #2F5997 text on black | 2.99:1 | Fails | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E4EAF5
oklch(93.6% 0.016 262.8)
-
Step 200
200
#CDDAED
oklch(88.4% 0.03 257.8)
-
Step 300
300
#ABC2E4
oklch(80.8% 0.054 258)
-
Step 400
400
#7FA2D7
oklch(70.7% 0.087 258.5)
-
Step 500
500
#5E8ACC
oklch(63% 0.111 258.3)
-
Step 600
600
#4473B9
oklch(55.6% 0.121 258.2)
-
Step 700
700 (this color)
#2F5997
oklch(46.6% 0.112 258.1)
-
Step 800
800
#2D4F81
oklch(42.7% 0.093 258)
-
Step 900
900
#294267
oklch(37.7% 0.071 258)
-
Step 950
950
#18273D
oklch(27.1% 0.046 257.8)
#2F5997 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) | #3D5E99 | 0.022 |
| Deuteranopia (no green cones) | #2D5596 | 0.012 |
| Tritanopia (no blue cones) | #006770 | 0.090 |
| Achromatopsia (no color) | #595959 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F5997
#2F5997
oklch(46.6% 0.112 258.1)
- #775200
#775200
oklch(46.7% 0.097 78.6)
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 #2F5997, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.017
- Dusk Blue #26538D ΔE 0.025
- Light Navy Blue #2E5A88 ΔE 0.026
- Dusky Blue #475F94 ΔE 0.035
- Denim #3B638C ΔE 0.041
- Twilight #4E518B ΔE 0.043
- Peacock Blue #016795 ΔE 0.044
- Light Navy #155084 ΔE 0.046
Use #2F5997 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.