#30898E
Closest named color: Dark Cyan (#008B8B). oklch(58% 0.083 200.4), rgb(48, 137, 142).
Aa
Black text reads best on this color (5.09:1).
About this color
#30898E is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 58%, its chroma 0.083 and its hue 200°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Cyan (#008B8B), ΔE 0.018 away. Black text reads best on it, at 5.09:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Dark Cyan (#008B8B) |
| Black text | 5.09:1 |
| White text | 4.12:1 |
Values
| HEX | #30898E |
| RGB | rgb(48, 137, 142) |
| HSL | hsl(183, 49%, 37%) |
| OKLCH | oklch(58% 0.083 200.4) |
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 #30898E | 4.12:1 | AA large text | Lc -73.6 | Content text, not long reading |
| Black text on #30898E | 5.09:1 | AA | Lc 36.0 | Non-text elements, placeholder text |
| #30898E text on white | 4.12:1 | AA large text | Lc 68.1 | Content text, not long reading |
| #30898E text on black | 5.09:1 | AA | Lc -33.6 | 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
#CADEDE
oklch(88.6% 0.021 196.8)
-
Step 300
300
#A5C8CA
oklch(80.8% 0.037 200.7)
-
Step 400
400
#73ACAF
oklch(70.6% 0.06 200.1)
-
Step 500
500
#4A979C
oklch(63% 0.076 201.1)
-
Step 600
600 (this color)
#30898E
oklch(58% 0.083 200.4)
-
Step 700
700
#176E72
oklch(49.2% 0.077 199.7)
-
Step 800
800
#18595D
oklch(42.6% 0.063 201.1)
-
Step 900
900
#1C4A4C
oklch(37.8% 0.05 199.2)
-
Step 950
950
#122B2D
oklch(27% 0.031 202.3)
#30898E 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) | #7F838E | 0.084 |
| Deuteranopia (no green cones) | #71788E | 0.079 |
| Tritanopia (no blue cones) | #008E8A | 0.023 |
| Achromatopsia (no color) | #7D7D7D | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #30898E
#30898E
oklch(58% 0.083 200.4)
- #A66665
#A66665
oklch(58% 0.083 20.9)
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 #30898E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Cyan #008B8B ΔE 0.018
- Teal Green #0A9396 ΔE 0.029
- Teal Blue #01889F ΔE 0.030
- Dusty Teal #4C9085 ΔE 0.037
- Teal #008080 ΔE 0.039
- Sea #3C9992 ΔE 0.050
- Ocean #017B92 ΔE 0.051
- Blue Green #0F9B8E ΔE 0.054
Use #30898E 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.