#30858A
Closest named color: Dark Cyan (#008B8B). oklch(56.8% 0.08 200.7), rgb(48, 133, 138).
Aa
Black text reads best on this color (4.84:1).
About this color
#30858A is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 57%, its chroma 0.080 and its hue 201°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Cyan (#008B8B), ΔE 0.022 away. Black text reads best on it, at 4.84:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Dark Cyan (#008B8B) |
| Black text | 4.84:1 |
| White text | 4.33:1 |
Values
| HEX | #30858A |
| RGB | rgb(48, 133, 138) |
| HSL | hsl(183, 48%, 36%) |
| OKLCH | oklch(56.8% 0.08 200.7) |
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 #30858A | 4.33:1 | AA large text | Lc -75.2 | Fine for body text |
| Black text on #30858A | 4.84:1 | AA | Lc 34.4 | Non-text elements, placeholder text |
| #30858A text on white | 4.33:1 | AA large text | Lc 69.7 | Content text, not long reading |
| #30858A text on black | 4.84:1 | AA | Lc -31.9 | 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
#CBDDDE
oklch(88.4% 0.019 200.8)
-
Step 300
300
#A6C8CA
oklch(80.9% 0.036 200.9)
-
Step 400
400
#75ACAF
oklch(70.7% 0.058 200.3)
-
Step 500
500
#4D979C
oklch(63.1% 0.074 201.3)
-
Step 600
600 (this color)
#30858A
oklch(56.8% 0.08 200.7)
-
Step 700
700
#1C6D72
oklch(49% 0.075 201.2)
-
Step 800
800
#1B595D
oklch(42.7% 0.062 201.3)
-
Step 900
900
#1E494C
oklch(37.6% 0.048 201.5)
-
Step 950
950
#132B2C
oklch(27% 0.03 199.1)
#30858A 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) | #7B7F8A | 0.081 |
| Deuteranopia (no green cones) | #6E758A | 0.076 |
| Tritanopia (no blue cones) | #008A86 | 0.024 |
| Achromatopsia (no color) | #797979 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #30858A
#30858A
oklch(56.8% 0.08 200.7)
- #A16363
#A16363
oklch(56.8% 0.081 19.9)
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 #30858A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Cyan #008B8B ΔE 0.022
- Teal #008080 ΔE 0.030
- Teal Blue #01889F ΔE 0.033
- Teal Green #0A9396 ΔE 0.040
- Ocean #017B92 ΔE 0.043
- Dusty Teal #4C9085 ΔE 0.045
- Bluegreen #017A79 ΔE 0.046
- Deep Aqua #08787F ΔE 0.047
Use #30858A 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.