#314180
Closest named color: Cobalt (#1E488F). oklch(39.7% 0.108 270.2), rgb(49, 65, 128).
Aa
White text reads best on this color (9.55:1).
About this color
#314180 is a dark, moderately saturated blue. In OKLCH its lightness is 40%, its chroma 0.108 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.033 away. White text reads best on it, at 9.55:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.19:1 |
| White text | 9.55:1 |
Values
| HEX | #314180 |
| RGB | rgb(49, 65, 128) |
| HSL | hsl(228, 45%, 35%) |
| OKLCH | oklch(39.7% 0.108 270.2) |
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 #314180 | 9.55:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #314180 | 2.19:1 | Fails | Lc 12.1 | Not readable |
| #314180 text on white | 9.55:1 | AAA | Lc 91.9 | Preferred for body text |
| #314180 text on black | 2.19:1 | Fails | Lc -10.5 | 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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E4EAFA
oklch(93.7% 0.023 269.4)
-
Step 200
200
#CDD8F8
oklch(88.4% 0.046 270.4)
-
Step 300
300
#ACBFF6
oklch(81% 0.081 269.7)
-
Step 400
400
#829BF1
oklch(70.6% 0.129 270.5)
-
Step 500
500
#6480EC
oklch(63.1% 0.165 270.2)
-
Step 600
600
#4D66DB
oklch(55.6% 0.18 270.4)
-
Step 700
700
#3E54BE
oklch(49% 0.168 270.2)
-
Step 800
800
#334699
oklch(42.7% 0.137 270)
-
Step 900
900 (this color)
#314180
oklch(39.7% 0.108 270.2)
-
Step 950
950
#1A2347
oklch(26.9% 0.068 270.7)
#314180 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) | #224982 | 0.026 |
| Deuteranopia (no green cones) | #15427F | 0.028 |
| Tritanopia (no blue cones) | #004F5A | 0.094 |
| Achromatopsia (no color) | #454545 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #314180
#314180
oklch(39.7% 0.108 270.2)
- #584400
#584400
oklch(39.7% 0.081 89.6)
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 #314180, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.033
- Twilight Blue #0A437A ΔE 0.036
- Dark Slate Blue #483D8B ΔE 0.040
- Light Navy #155084 ΔE 0.046
- Blueberry #464196 ΔE 0.048
- Dusk Blue #26538D ΔE 0.052
- Deep Sea Blue #015482 ΔE 0.059
- Marine Blue #01386A ΔE 0.066
Use #314180 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.