#314F42
Closest named color: Dark Slate Gray (#2F4F4F). oklch(40% 0.042 165.3), rgb(49, 79, 66).
Aa
White text reads best on this color (9.02:1).
About this color
#314F42 is a dark, muted green. In OKLCH its lightness is 40%, its chroma 0.042 and its hue 165°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.022 away. White text reads best on it, at 9.02:1.
| Hue family | Greens |
| Lightness | dark (40%) |
| Chroma | muted (0.042) |
| Temperature | in between |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.32:1 |
| White text | 9.02:1 |
Values
| HEX | #314F42 |
| RGB | rgb(49, 79, 66) |
| HSL | hsl(154, 23%, 25%) |
| OKLCH | oklch(40% 0.042 165.3) |
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 #314F42 | 9.02:1 | AAA | Lc -95.1 | Preferred for body text |
| Black text on #314F42 | 2.32:1 | Fails | Lc 13.3 | Not readable |
| #314F42 text on white | 9.02:1 | AAA | Lc 90.7 | Preferred for body text |
| #314F42 text on black | 2.32:1 | Fails | Lc -11.6 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E5ECE8
oklch(93.7% 0.009 161.3)
-
Step 200
200
#CFDDD6
oklch(88.5% 0.018 164.6)
-
Step 300
300
#AEC7BC
oklch(80.8% 0.031 167.2)
-
Step 400
400
#83AB99
oklch(70.7% 0.051 165.6)
-
Step 500
500
#639680
oklch(63% 0.064 165.5)
-
Step 600
600
#488169
oklch(55.7% 0.072 165)
-
Step 700
700
#396D58
oklch(49.2% 0.066 165.6)
-
Step 800
800
#305948
oklch(42.8% 0.055 165.3)
-
Step 900
900 (this color)
#314F42
oklch(40% 0.042 165.3)
-
Step 950
950
#1A2B23
oklch(27.1% 0.027 163.6)
#314F42 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) | #4E4B41 | 0.042 |
| Deuteranopia (no green cones) | #494743 | 0.042 |
| Tritanopia (no blue cones) | #2A4F4B | 0.016 |
| Achromatopsia (no color) | #494949 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #314F42
#314F42
oklch(40% 0.042 165.3)
- #593E4D
#593E4D
oklch(39.9% 0.044 344.9)
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 #314F42, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.022
- Dark Blue Green #005249 ΔE 0.033
- Dark Teal #014D4E ΔE 0.040
- Deep Teal #00555A ΔE 0.045
- Charcoal Grey #3C4142 ΔE 0.047
- Charcoal #264653 ΔE 0.050
- Pine #2B5D34 ΔE 0.057
- Dark Grey Blue #29465B ΔE 0.060
Use #314F42 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.