#314F53
Closest named color: Dark Slate Gray (#2F4F4F). oklch(40.6% 0.036 206.5), rgb(49, 79, 83).
Aa
White text reads best on this color (8.84:1).
About this color
#314F53 is a dark, muted teal or cyan. In OKLCH its lightness is 41%, its chroma 0.036 and its hue 206°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.008 away. White text reads best on it, at 8.84:1.
| Hue family | Teals and cyans |
| Lightness | dark (41%) |
| Chroma | muted (0.036) |
| Temperature | cool |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.37:1 |
| White text | 8.84:1 |
Values
| HEX | #314F53 |
| RGB | rgb(49, 79, 83) |
| HSL | hsl(187, 26%, 26%) |
| OKLCH | oklch(40.6% 0.036 206.5) |
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 #314F53 | 8.84:1 | AAA | Lc -94.6 | Preferred for body text |
| Black text on #314F53 | 2.37:1 | Fails | Lc 13.8 | Not readable |
| #314F53 text on white | 8.84:1 | AAA | Lc 90.2 | Preferred for body text |
| #314F53 text on black | 2.37:1 | Fails | Lc -12.1 | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E5EBEC
oklch(93.6% 0.007 208.8)
-
Step 200
200
#D1DBDD
oklch(88.4% 0.011 211)
-
Step 300
300
#B2C5C7
oklch(81% 0.021 204.4)
-
Step 400
400
#89A7AB
oklch(70.7% 0.034 206.4)
-
Step 500
500
#6B9197
oklch(63.1% 0.043 208.2)
-
Step 600
600
#527B81
oklch(55.5% 0.046 207.4)
-
Step 700
700
#42686D
oklch(49.1% 0.044 206.3)
-
Step 800
800 (this color)
#314F53
oklch(40.6% 0.036 206.5)
-
Step 900
900
#304649
oklch(37.7% 0.028 206.6)
-
Step 950
950
#1C292B
oklch(27% 0.018 207.9)
#314F53 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) | #4A4D53 | 0.035 |
| Deuteranopia (no green cones) | #454853 | 0.034 |
| Tritanopia (no blue cones) | #235150 | 0.017 |
| Achromatopsia (no color) | #4A4A4A | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #314F53
#314F53
oklch(40.6% 0.036 206.5)
- #5B423F
#5B423F
oklch(40.6% 0.035 26.5)
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 #314F53, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.008
- Deep Teal #00555A ΔE 0.034
- Charcoal #264653 ΔE 0.034
- Dark Grey Blue #29465B ΔE 0.038
- Dark Teal #014D4E ΔE 0.038
- Dark Blue Green #005249 ΔE 0.042
- Charcoal Grey #3C4142 ΔE 0.045
- Petrol #005F6A ΔE 0.056
Use #314F53 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.