#314799
Closest named color: Cobalt (#1E488F). oklch(42.8% 0.136 268.7), rgb(49, 71, 153).
Aa
White text reads best on this color (8.42:1).
About this color
#314799 is a dark, moderately saturated blue. In OKLCH its lightness is 43%, its chroma 0.136 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.026 away. White text reads best on it, at 8.42:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.136) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.49:1 |
| White text | 8.42:1 |
Values
| HEX | #314799 |
| RGB | rgb(49, 71, 153) |
| HSL | hsl(227, 51%, 40%) |
| OKLCH | oklch(42.8% 0.136 268.7) |
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 #314799 | 8.42:1 | AAA | Lc -93.3 | Preferred for body text |
| Black text on #314799 | 2.49:1 | Fails | Lc 15.3 | Dividers and decoration only |
| #314799 text on white | 8.42:1 | AAA | Lc 88.7 | Fine for body text |
| #314799 text on black | 2.49:1 | Fails | Lc -13.5 | 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 800.
-
Step 50
50
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E3EAFA
oklch(93.6% 0.023 266.9)
-
Step 200
200
#CDD9F7
oklch(88.6% 0.043 268.2)
-
Step 300
300
#ABBFF5
oklch(80.9% 0.08 268.8)
-
Step 400
400
#809CF0
oklch(70.7% 0.127 269)
-
Step 500
500
#6181EB
oklch(63.1% 0.163 268.8)
-
Step 600
600
#4968D9
oklch(55.6% 0.176 268.5)
-
Step 700
700
#3B56BD
oklch(49.2% 0.165 268.6)
-
Step 800
800 (this color)
#314799
oklch(42.8% 0.136 268.7)
-
Step 900
900
#2A3C79
oklch(37.6% 0.106 268.5)
-
Step 950
950
#192447
oklch(27.1% 0.067 268.5)
#314799 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) | #11529C | 0.035 |
| Deuteranopia (no green cones) | #004997 | 0.034 |
| Tritanopia (no blue cones) | #005A69 | 0.111 |
| Achromatopsia (no color) | #4D4D4D | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #314799
#314799
oklch(42.8% 0.136 268.7)
- #634C00
#634C00
oklch(42.9% 0.088 88.6)
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 #314799, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.026
- Blueberry #464196 ΔE 0.031
- Dusk Blue #26538D ΔE 0.041
- Dark Slate Blue #483D8B ΔE 0.043
- Light Navy #155084 ΔE 0.051
- Sapphire #2138AB ΔE 0.052
- Twilight #4E518B ΔE 0.058
- Denim Blue #3B5B92 ΔE 0.062
Use #314799 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.