#314057
Closest named color: Dark Grey Blue (#29465B). oklch(36.9% 0.044 258.8), rgb(49, 64, 87).
Aa
White text reads best on this color (10.49:1).
About this color
#314057 is a dark, muted blue. In OKLCH its lightness is 37%, its chroma 0.044 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.020 away. White text reads best on it, at 10.49:1.
| Hue family | Blues |
| Lightness | dark (37%) |
| Chroma | muted (0.044) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.00:1 |
| White text | 10.49:1 |
Values
| HEX | #314057 |
| RGB | rgb(49, 64, 87) |
| HSL | hsl(216, 28%, 27%) |
| OKLCH | oklch(36.9% 0.044 258.8) |
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 #314057 | 10.49:1 | AAA | Lc -98.3 | Preferred for body text |
| Black text on #314057 | 2.00:1 | Fails | Lc 9.6 | Not readable |
| #314057 text on white | 10.49:1 | AAA | Lc 94.3 | Preferred for body text |
| #314057 text on black | 2.00:1 | Fails | Lc -8.3 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E6EAF0
oklch(93.6% 0.009 258.3)
-
Step 200
200
#D2DAE6
oklch(88.6% 0.019 258.4)
-
Step 300
300
#B4C2D7
oklch(81% 0.033 258.4)
-
Step 400
400
#8DA2C2
oklch(70.7% 0.053 258.7)
-
Step 500
500
#708BB3
oklch(63.1% 0.068 258.1)
-
Step 600
600
#59749F
oklch(55.6% 0.074 259.5)
-
Step 700
700
#496188
oklch(49% 0.069 259.9)
-
Step 800
800
#3C506E
oklch(42.8% 0.056 258.3)
-
Step 900
900 (this color)
#314057
oklch(36.9% 0.044 258.8)
-
Step 950
950
#1E2734
oklch(27% 0.028 257.5)
#314057 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) | #384158 | 0.011 |
| Deuteranopia (no green cones) | #333E57 | 0.007 |
| Tritanopia (no blue cones) | #244548 | 0.039 |
| Achromatopsia (no color) | #3F3F3F | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #314057
#314057
oklch(36.9% 0.044 258.8)
- #4C3D24
#4C3D24
oklch(36.9% 0.044 79.5)
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 #314057, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.020
- Charcoal #264653 ΔE 0.026
- Dark Blue Grey #1F3B4D ΔE 0.034
- Onyx #343A40 ΔE 0.039
- Charcoal Grey #3C4142 ΔE 0.040
- Prussian Blue #1D3557 ΔE 0.047
- Midnight Green #073B4C ΔE 0.051
- Dark Slate Gray #2F4F4F ΔE 0.055
Use #314057 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.