#2F6591
Closest named color: Denim (#3B638C). oklch(49.1% 0.091 245.8), rgb(47, 101, 145).
Aa
White text reads best on this color (6.19:1).
About this color
#2F6591 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 49%, its chroma 0.091 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.013 away. White text reads best on it, at 6.19:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.39:1 |
| White text | 6.19:1 |
Values
| HEX | #2F6591 |
| RGB | rgb(47, 101, 145) |
| HSL | hsl(207, 51%, 38%) |
| OKLCH | oklch(49.1% 0.091 245.8) |
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 #2F6591 | 6.19:1 | AA | Lc -85.8 | Fine for body text |
| Black text on #2F6591 | 3.39:1 | AA large text | Lc 23.4 | Dividers and decoration only |
| #2F6591 text on white | 6.19:1 | AA | Lc 80.7 | Fine for body text |
| #2F6591 text on black | 3.39:1 | AA large text | Lc -21.2 | 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 700.
-
Step 50
50
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF2
oklch(93.6% 0.013 244.3)
-
Step 200
200
#CCDBE9
oklch(88.4% 0.025 246.2)
-
Step 300
300
#AAC4DC
oklch(80.9% 0.044 246.2)
-
Step 400
400
#7CA6CA
oklch(70.8% 0.07 244.9)
-
Step 500
500
#598FBD
oklch(63.1% 0.09 245.6)
-
Step 600
600
#3D78A9
oklch(55.5% 0.098 245.9)
-
Step 700
700 (this color)
#2F6591
oklch(49.1% 0.091 245.8)
-
Step 800
800
#285376
oklch(42.8% 0.076 245.4)
-
Step 900
900
#25445F
oklch(37.6% 0.059 246.5)
-
Step 950
950
#162838
oklch(26.9% 0.038 246.6)
#2F6591 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) | #516693 | 0.038 |
| Deuteranopia (no green cones) | #445D90 | 0.029 |
| Tritanopia (no blue cones) | #007074 | 0.070 |
| Achromatopsia (no color) | #616161 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F6591
#2F6591
oklch(49.1% 0.091 245.8)
- #835520
#835520
oklch(49% 0.091 66.2)
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 #2F6591, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.013
- Peacock Blue #016795 ΔE 0.022
- Dusky Blue #475F94 ΔE 0.030
- Denim Blue #3B5B92 ΔE 0.031
- Light Navy Blue #2E5A88 ΔE 0.033
- Ocean Blue #03719C ΔE 0.037
- Muted Blue #3B719F ΔE 0.042
- Sea Blue #047495 ΔE 0.045
Use #2F6591 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.