#315147
Closest named color: Dark Slate Gray (#2F4F4F). oklch(40.7% 0.042 172.4), rgb(49, 81, 71).
Aa
White text reads best on this color (8.75:1).
About this color
#315147 is a dark, muted teal or cyan. In OKLCH its lightness is 41%, its chroma 0.042 and its hue 172°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.017 away. White text reads best on it, at 8.75:1.
| Hue family | Teals and cyans |
| Lightness | dark (41%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.39:1 |
| White text | 8.75:1 |
Values
| HEX | #315147 |
| RGB | rgb(49, 81, 71) |
| HSL | hsl(161, 25%, 25%) |
| OKLCH | oklch(40.7% 0.042 172.4) |
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 #315147 | 8.75:1 | AAA | Lc -94.4 | Preferred for body text |
| Black text on #315147 | 2.39:1 | Fails | Lc 14.1 | Not readable |
| #315147 text on white | 8.75:1 | AAA | Lc 89.9 | Fine for body text |
| #315147 text on black | 2.39:1 | Fails | Lc -12.3 | 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 800.
-
Step 50
50
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E5EBE9
oklch(93.5% 0.007 174.4)
-
Step 200
200
#D1DCD8
oklch(88.5% 0.013 172.3)
-
Step 300
300
#B2C6BF
oklch(80.9% 0.024 172.7)
-
Step 400
400
#89A99E
oklch(70.8% 0.039 172.3)
-
Step 500
500
#6A9486
oklch(63.2% 0.051 172)
-
Step 600
600
#517E70
oklch(55.6% 0.054 172.7)
-
Step 700
700
#426A5E
oklch(49.1% 0.049 173.2)
-
Step 800
800 (this color)
#315147
oklch(40.7% 0.042 172.4)
-
Step 900
900
#304740
oklch(37.6% 0.031 173.7)
-
Step 950
950
#1C2A25
oklch(27% 0.021 170.6)
#315147 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) | #4F4D47 | 0.043 |
| Deuteranopia (no green cones) | #4A4948 | 0.042 |
| Tritanopia (no blue cones) | #28524E | 0.013 |
| Achromatopsia (no color) | #4B4B4B | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #315147
#315147
oklch(40.7% 0.042 172.4)
- #5C404C
#5C404C
oklch(40.7% 0.043 351.8)
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 #315147, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.017
- Dark Blue Green #005249 ΔE 0.033
- Deep Teal #00555A ΔE 0.039
- Dark Teal #014D4E ΔE 0.041
- Charcoal #264653 ΔE 0.050
- Charcoal Grey #3C4142 ΔE 0.051
- Dark Green Blue #1F6357 ΔE 0.055
- Pine #2B5D34 ΔE 0.057
Use #315147 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.