#30858D
Closest named color: Dark Cyan (#008B8B). oklch(57% 0.081 204), rgb(48, 133, 141).
Aa
Black text reads best on this color (4.86:1).
About this color
#30858D is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 57%, its chroma 0.081 and its hue 204°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Cyan (#008B8B), ΔE 0.024 away. Black text reads best on it, at 4.86:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Dark Cyan (#008B8B) |
| Black text | 4.86:1 |
| White text | 4.31:1 |
Values
| HEX | #30858D |
| RGB | rgb(48, 133, 141) |
| HSL | hsl(185, 49%, 37%) |
| OKLCH | oklch(57% 0.081 204) |
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 #30858D | 4.31:1 | AA large text | Lc -75.1 | Fine for body text |
| Black text on #30858D | 4.86:1 | AA | Lc 34.5 | Non-text elements, placeholder text |
| #30858D text on white | 4.31:1 | AA large text | Lc 69.6 | Content text, not long reading |
| #30858D text on black | 4.86:1 | AA | Lc -32.1 | Non-text elements, placeholder text |
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 600.
-
Step 50
50
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E2ECED
oklch(93.6% 0.011 204.1)
-
Step 200
200
#CBDDDF
oklch(88.5% 0.019 204.8)
-
Step 300
300
#A6C8CB
oklch(80.9% 0.037 203)
-
Step 400
400
#75ACB1
oklch(70.8% 0.058 203.1)
-
Step 500
500
#4D979E
oklch(63.2% 0.074 203.6)
-
Step 600
600 (this color)
#30858D
oklch(57% 0.081 204)
-
Step 700
700
#1C6D74
oklch(49.1% 0.075 203.6)
-
Step 800
800
#1B595F
oklch(42.8% 0.062 204.3)
-
Step 900
900
#1D494D
oklch(37.6% 0.049 203.4)
-
Step 950
950
#122B2D
oklch(27% 0.031 202.3)
#30858D 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) | #7B808E | 0.081 |
| Deuteranopia (no green cones) | #6D758D | 0.074 |
| Tritanopia (no blue cones) | #008A87 | 0.026 |
| Achromatopsia (no color) | #7A7A7A | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #30858D
#30858D
oklch(57% 0.081 204)
- #A26460
#A26460
oklch(57% 0.081 23.9)
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 #30858D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Cyan #008B8B ΔE 0.024
- Teal Blue #01889F ΔE 0.029
- Teal #008080 ΔE 0.032
- Teal Green #0A9396 ΔE 0.040
- Ocean #017B92 ΔE 0.041
- Dusty Teal #4C9085 ΔE 0.047
- Cerulean #457B9D ΔE 0.048
- Deep Aqua #08787F ΔE 0.048
Use #30858D 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.