#306151
Closest named color: Dark Green Blue (#1F6357). oklch(45.3% 0.06 170.1), rgb(48, 97, 81).
Aa
White text reads best on this color (7.10:1).
About this color
#306151 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 45%, its chroma 0.060 and its hue 170°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.014 away. White text reads best on it, at 7.10:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.95:1 |
| White text | 7.10:1 |
Values
| HEX | #306151 |
| RGB | rgb(48, 97, 81) |
| HSL | hsl(160, 34%, 28%) |
| OKLCH | oklch(45.3% 0.06 170.1) |
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 #306151 | 7.10:1 | AAA | Lc -89.4 | Fine for body text |
| Black text on #306151 | 2.95:1 | Fails | Lc 19.5 | Dividers and decoration only |
| #306151 text on white | 7.10:1 | AAA | Lc 84.5 | Fine for body text |
| #306151 text on black | 2.95:1 | Fails | Lc -17.5 | Dividers and decoration only |
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
#F2F6F5
oklch(97% 0.004 179.7)
-
Step 100
100
#E4ECE9
oklch(93.6% 0.009 171.8)
-
Step 200
200
#CDDDD7
oklch(88.4% 0.019 171.4)
-
Step 300
300
#ABC8BD
oklch(80.8% 0.035 170.5)
-
Step 400
400
#7DAC9B
oklch(70.6% 0.056 170.3)
-
Step 500
500
#5B9883
oklch(63.2% 0.072 170)
-
Step 600
600
#3E826C
oklch(55.6% 0.078 169.9)
-
Step 700
700
#2F6E5A
oklch(49.1% 0.073 169.7)
-
Step 800
800 (this color)
#306151
oklch(45.3% 0.06 170.1)
-
Step 900
900
#264A3E
oklch(37.8% 0.047 170.1)
-
Step 950
950
#172B24
oklch(26.9% 0.029 169.8)
#306151 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) | #5F5B50 | 0.062 |
| Deuteranopia (no green cones) | #575652 | 0.059 |
| Tritanopia (no blue cones) | #1E625C | 0.020 |
| Achromatopsia (no color) | #585858 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #306151
#306151
oklch(45.3% 0.06 170.1)
- #70485B
#70485B
oklch(45.3% 0.061 349.8)
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 #306151, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.014
- Dark Aqua #05696B ΔE 0.042
- Pine #2B5D34 ΔE 0.043
- Petrol #005F6A ΔE 0.048
- Spruce #0A5F38 ΔE 0.049
- Deep Teal #00555A ΔE 0.057
- Dark Slate Gray #2F4F4F ΔE 0.059
- Dark Blue Green #005249 ΔE 0.062
Use #306151 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.