#30505D
Closest named color: Dark Slate Gray (#2F4F4F). oklch(41.2% 0.043 225.8), rgb(48, 80, 93).
Aa
White text reads best on this color (8.63:1).
About this color
#30505D is a dark, muted teal or cyan. In OKLCH its lightness is 41%, its chroma 0.043 and its hue 226°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.024 away. White text reads best on it, at 8.63:1.
| Hue family | Teals and cyans |
| Lightness | dark (41%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.43:1 |
| White text | 8.63:1 |
Values
| HEX | #30505D |
| RGB | rgb(48, 80, 93) |
| HSL | hsl(197, 32%, 28%) |
| OKLCH | oklch(41.2% 0.043 225.8) |
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 #30505D | 8.63:1 | AAA | Lc -94.1 | Preferred for body text |
| Black text on #30505D | 2.43:1 | Fails | Lc 14.4 | Not readable |
| #30505D text on white | 8.63:1 | AAA | Lc 89.6 | Fine for body text |
| #30505D text on black | 2.43:1 | Fails | Lc -12.7 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E5EBEE
oklch(93.6% 0.008 228.9)
-
Step 200
200
#D0DBE0
oklch(88.5% 0.014 226.6)
-
Step 300
300
#B0C4CD
oklch(80.8% 0.025 226.6)
-
Step 400
400
#86A6B4
oklch(70.6% 0.041 226.3)
-
Step 500
500
#6790A2
oklch(63% 0.053 227)
-
Step 600
600
#4E7A8D
oklch(55.5% 0.057 227.1)
-
Step 700
700
#3F6778
oklch(49.1% 0.053 226.9)
-
Step 800
800 (this color)
#30505D
oklch(41.2% 0.043 225.8)
-
Step 900
900
#2E464F
oklch(37.8% 0.033 223.4)
-
Step 950
950
#1B292E
oklch(27% 0.021 222)
#30505D 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) | #494F5E | 0.034 |
| Deuteranopia (no green cones) | #42495D | 0.031 |
| Tritanopia (no blue cones) | #1C5454 | 0.030 |
| Achromatopsia (no color) | #4C4C4C | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #30505D
#30505D
oklch(41.2% 0.043 225.8)
- #5F4437
#5F4437
oklch(41.3% 0.043 46.8)
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 #30505D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.024
- Dark Grey Blue #29465B ΔE 0.034
- Deep Teal #00555A ΔE 0.035
- Charcoal #264653 ΔE 0.037
- Dark Teal #014D4E ΔE 0.046
- Petrol #005F6A ΔE 0.049
- Dark Blue Green #005249 ΔE 0.052
- YInMn Blue #415A77 ΔE 0.055
Use #30505D 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.