#314B5D
Closest named color: Dark Grey Blue (#29465B). oklch(40% 0.044 239.5), rgb(49, 75, 93).
Aa
White text reads best on this color (9.14:1).
About this color
#314B5D is a dark, muted blue. In OKLCH its lightness is 40%, its chroma 0.044 and its hue 240°. 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 9.14:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | muted (0.044) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.29:1 |
| White text | 9.14:1 |
Values
| HEX | #314B5D |
| RGB | rgb(49, 75, 93) |
| HSL | hsl(205, 31%, 28%) |
| OKLCH | oklch(40% 0.044 239.5) |
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 #314B5D | 9.14:1 | AAA | Lc -95.4 | Preferred for body text |
| Black text on #314B5D | 2.29:1 | Fails | Lc 13.0 | Not readable |
| #314B5D text on white | 9.14:1 | AAA | Lc 91.0 | Preferred for body text |
| #314B5D text on black | 2.29:1 | Fails | Lc -11.3 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E4EBF0
oklch(93.6% 0.01 238.5)
-
Step 200
200
#CFDBE4
oklch(88.5% 0.018 240)
-
Step 300
300
#AEC4D4
oklch(80.9% 0.033 239.5)
-
Step 400
400
#83A6BE
oklch(70.8% 0.052 238.4)
-
Step 500
500
#638FAE
oklch(63% 0.067 239.9)
-
Step 600
600
#49799A
oklch(55.6% 0.073 239.9)
-
Step 700
700
#3A6683
oklch(49.1% 0.068 239.1)
-
Step 800
800
#30536B
oklch(42.6% 0.057 239.9)
-
Step 900
900 (this color)
#314B5D
oklch(40% 0.044 239.5)
-
Step 950
950
#1A2833
oklch(26.9% 0.028 242.7)
#314B5D 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) | #434B5E | 0.025 |
| Deuteranopia (no green cones) | #3D465D | 0.021 |
| Tritanopia (no blue cones) | #1F5051 | 0.036 |
| Achromatopsia (no color) | #484848 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #314B5D
#314B5D
oklch(40% 0.044 239.5)
- #59422F
#59422F
oklch(39.9% 0.044 60.6)
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 #314B5D, 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 Slate Gray #2F4F4F ΔE 0.031
- Deep Teal #00555A ΔE 0.045
- Charcoal Grey #3C4142 ΔE 0.048
- Dark Teal #014D4E ΔE 0.048
- Dark Blue Green #005249 ΔE 0.060
- Dark Blue Grey #1F3B4D ΔE 0.061
Use #314B5D 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.