#314B90
Closest named color: Cobalt (#1E488F). oklch(43% 0.118 266.1), rgb(49, 75, 144).
Aa
White text reads best on this color (8.26:1).
About this color
#314B90 is a dark, moderately saturated blue. In OKLCH its lightness is 43%, its chroma 0.118 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.022 away. White text reads best on it, at 8.26:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.118) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.53:1 |
| White text | 8.26:1 |
Values
| HEX | #314B90 |
| RGB | rgb(49, 75, 144) |
| HSL | hsl(224, 49%, 38%) |
| OKLCH | oklch(43% 0.118 266.1) |
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 #314B90 | 8.26:1 | AAA | Lc -92.9 | Preferred for body text |
| Black text on #314B90 | 2.53:1 | Fails | Lc 15.7 | Dividers and decoration only |
| #314B90 text on white | 8.26:1 | AAA | Lc 88.3 | Fine for body text |
| #314B90 text on black | 2.53:1 | Fails | Lc -13.9 | 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
#F2F5FC
oklch(97% 0.01 267.4)
-
Step 100
100
#E4EAF8
oklch(93.7% 0.02 267.3)
-
Step 200
200
#CDD9F3
oklch(88.4% 0.038 265.8)
-
Step 300
300
#ACC0EE
oklch(80.9% 0.069 266.5)
-
Step 400
400
#809FE6
oklch(70.8% 0.11 265.7)
-
Step 500
500
#6185DE
oklch(63.1% 0.14 265.9)
-
Step 600
600
#496DCC
oklch(55.7% 0.153 266)
-
Step 700
700
#3A5AB1
oklch(49.1% 0.143 266.1)
-
Step 800
800 (this color)
#314B90
oklch(43% 0.118 266.1)
-
Step 900
900
#2A3F72
oklch(37.8% 0.091 265.4)
-
Step 950
950
#192543
oklch(27% 0.058 266.1)
#314B90 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) | #285393 | 0.023 |
| Deuteranopia (no green cones) | #164A8F | 0.025 |
| Tritanopia (no blue cones) | #005B66 | 0.100 |
| Achromatopsia (no color) | #4E4E4E | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #314B90
#314B90
oklch(43% 0.118 266.1)
- #654B00
#654B00
oklch(42.9% 0.088 85.7)
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 #314B90, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.022
- Dusk Blue #26538D ΔE 0.025
- Light Navy #155084 ΔE 0.035
- Blueberry #464196 ΔE 0.038
- Dark Slate Blue #483D8B ΔE 0.046
- Twilight #4E518B ΔE 0.046
- Deep Sea Blue #015482 ΔE 0.048
- Light Navy Blue #2E5A88 ΔE 0.048
Use #314B90 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.