#314F91
Closest named color: Dusk Blue (#26538D). oklch(44% 0.114 263.9), rgb(49, 79, 145).
Aa
White text reads best on this color (7.90:1).
About this color
#314F91 is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.114 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.017 away. White text reads best on it, at 7.90:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.114) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.65:1 |
| White text | 7.90:1 |
Values
| HEX | #314F91 |
| RGB | rgb(49, 79, 145) |
| HSL | hsl(221, 49%, 38%) |
| OKLCH | oklch(44% 0.114 263.9) |
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 #314F91 | 7.90:1 | AAA | Lc -91.9 | Preferred for body text |
| Black text on #314F91 | 2.65:1 | Fails | Lc 16.8 | Dividers and decoration only |
| #314F91 text on white | 7.90:1 | AAA | Lc 87.2 | Fine for body text |
| #314F91 text on black | 2.65:1 | Fails | Lc -14.9 | 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 800.
-
Step 50
50
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E3EAF7
oklch(93.6% 0.019 263)
-
Step 200
200
#CDDAF3
oklch(88.6% 0.037 263.6)
-
Step 300
300
#ABC1ED
oklch(80.9% 0.067 264.1)
-
Step 400
400
#7EA0E4
oklch(70.8% 0.107 263.5)
-
Step 500
500
#5E86DC
oklch(63% 0.137 264)
-
Step 600
600
#456EC9
oklch(55.5% 0.148 264)
-
Step 700
700
#375CAE
oklch(49.2% 0.138 263.8)
-
Step 800
800 (this color)
#314F91
oklch(44% 0.114 263.9)
-
Step 900
900
#293F71
oklch(37.7% 0.09 264.6)
-
Step 950
950
#182542
oklch(26.9% 0.057 264.6)
#314F91 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) | #2F5694 | 0.020 |
| Deuteranopia (no green cones) | #1F4D90 | 0.019 |
| Tritanopia (no blue cones) | #005E69 | 0.095 |
| Achromatopsia (no color) | #515151 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #314F91
#314F91
oklch(44% 0.114 263.9)
- #6A4D00
#6A4D00
oklch(44% 0.09 83.6)
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 #314F91, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.017
- Cobalt #1E488F ΔE 0.030
- Light Navy #155084 ΔE 0.033
- Light Navy Blue #2E5A88 ΔE 0.038
- Denim Blue #3B5B92 ΔE 0.038
- Twilight #4E518B ΔE 0.041
- Deep Sea Blue #015482 ΔE 0.044
- Blueberry #464196 ΔE 0.045
Use #314F91 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.