#2F4169
Closest named color: Dark Grey Blue (#29465B). oklch(38% 0.073 264.8), rgb(47, 65, 105).
Aa
White text reads best on this color (10.09:1).
About this color
#2F4169 is a dark, moderately saturated blue. In OKLCH its lightness is 38%, its chroma 0.073 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.033 away. White text reads best on it, at 10.09:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.08:1 |
| White text | 10.09:1 |
Values
| HEX | #2F4169 |
| RGB | rgb(47, 65, 105) |
| HSL | hsl(221, 38%, 30%) |
| OKLCH | oklch(38% 0.073 264.8) |
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 #2F4169 | 10.09:1 | AAA | Lc -97.4 | Preferred for body text |
| Black text on #2F4169 | 2.08:1 | Fails | Lc 10.6 | Not readable |
| #2F4169 text on white | 10.09:1 | AAA | Lc 93.3 | Preferred for body text |
| #2F4169 text on black | 2.08:1 | Fails | Lc -9.2 | Not readable |
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 900.
-
Step 50
50
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E5EAF5
oklch(93.6% 0.016 266.3)
-
Step 200
200
#CFD9EE
oklch(88.4% 0.031 265.3)
-
Step 300
300
#AFC1E5
oklch(80.9% 0.055 264.2)
-
Step 400
400
#86A0D8
oklch(70.7% 0.088 265)
-
Step 500
500
#6888CD
oklch(63.2% 0.111 264.5)
-
Step 600
600
#5070BA
oklch(55.6% 0.121 265.1)
-
Step 700
700
#415EA0
oklch(49.2% 0.111 264.7)
-
Step 800
800
#354D82
oklch(42.8% 0.093 264.4)
-
Step 900
900 (this color)
#2F4169
oklch(38% 0.073 264.8)
-
Step 950
950
#1B263D
oklch(27% 0.046 264.1)
#2F4169 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) | #31456B | 0.013 |
| Deuteranopia (no green cones) | #2B3F68 | 0.009 |
| Tritanopia (no blue cones) | #134A50 | 0.065 |
| Achromatopsia (no color) | #424242 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F4169
#2F4169
oklch(38% 0.073 264.8)
- #543F09
#543F09
oklch(38.1% 0.073 85.3)
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 #2F4169, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.033
- Twilight Blue #0A437A ΔE 0.040
- Charcoal #264653 ΔE 0.047
- Marine Blue #01386A ΔE 0.053
- Prussian Blue #1D3557 ΔE 0.053
- Dark Blue Grey #1F3B4D ΔE 0.055
- Light Navy #155084 ΔE 0.058
- Cobalt #1E488F ΔE 0.065
Use #2F4169 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.