#30899B
Closest named color: Teal Blue (#01889F). oklch(58.5% 0.087 213.8), rgb(48, 137, 155).
Aa
Black text reads best on this color (5.17:1).
About this color
#30899B is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 59%, its chroma 0.087 and its hue 214°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Blue (#01889F), ΔE 0.018 away. Black text reads best on it, at 5.17:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Teal Blue (#01889F) |
| Black text | 5.17:1 |
| White text | 4.05:1 |
Values
| HEX | #30899B |
| RGB | rgb(48, 137, 155) |
| HSL | hsl(190, 53%, 40%) |
| OKLCH | oklch(58.5% 0.087 213.8) |
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 #30899B | 4.05:1 | AA large text | Lc -73.0 | Content text, not long reading |
| Black text on #30899B | 5.17:1 | AA | Lc 36.6 | Non-text elements, placeholder text |
| #30899B text on white | 4.05:1 | AA large text | Lc 67.5 | Content text, not long reading |
| #30899B text on black | 5.17:1 | AA | Lc -34.2 | 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
#E2ECEE
oklch(93.6% 0.011 211)
-
Step 200
200
#CADDE2
oklch(88.5% 0.022 215.3)
-
Step 300
300
#A5C8D0
oklch(81% 0.039 213.1)
-
Step 400
400
#72ABB8
oklch(70.7% 0.062 213.6)
-
Step 500
500
#4996A7
oklch(63.1% 0.08 214.1)
-
Step 600
600 (this color)
#30899B
oklch(58.5% 0.087 213.8)
-
Step 700
700
#156C7C
oklch(49.1% 0.08 213.6)
-
Step 800
800
#165865
oklch(42.6% 0.067 214)
-
Step 900
900
#1B4952
oklch(37.8% 0.052 212.6)
-
Step 950
950
#112B30
oklch(27.1% 0.033 211.7)
#30899B 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) | #7C849C | 0.079 |
| Deuteranopia (no green cones) | #6C799B | 0.071 |
| Tritanopia (no blue cones) | #00908F | 0.036 |
| Achromatopsia (no color) | #7E7E7E | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #30899B
#30899B
oklch(58.5% 0.087 213.8)
- #A9685A
#A9685A
oklch(58.5% 0.087 32.9)
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 #30899B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Blue #01889F ΔE 0.018
- Dark Cyan #008B8B ΔE 0.034
- Teal Green #0A9396 ΔE 0.035
- Blue NCS #118AB2 ΔE 0.036
- Cerulean #457B9D ΔE 0.044
- Stormy Blue #507B9C ΔE 0.047
- Ocean #017B92 ΔE 0.049
- Dusty Teal #4C9085 ΔE 0.050
Use #30899B 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.