#308799
Closest named color: Teal Blue (#01889F). oklch(58% 0.085 214.1), rgb(48, 135, 153).
Aa
Black text reads best on this color (5.05:1).
About this color
#308799 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 58%, its chroma 0.085 and its hue 214°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Blue (#01889F), ΔE 0.017 away. Black text reads best on it, at 5.05:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Teal Blue (#01889F) |
| Black text | 5.05:1 |
| White text | 4.15:1 |
Values
| HEX | #308799 |
| RGB | rgb(48, 135, 153) |
| HSL | hsl(190, 52%, 39%) |
| OKLCH | oklch(58% 0.085 214.1) |
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 #308799 | 4.15:1 | AA large text | Lc -73.8 | Content text, not long reading |
| Black text on #308799 | 5.05:1 | AA | Lc 35.7 | Non-text elements, placeholder text |
| #308799 text on white | 4.15:1 | AA large text | Lc 68.3 | Content text, not long reading |
| #308799 text on black | 5.05:1 | AA | Lc -33.3 | 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
#73ABB8
oklch(70.7% 0.061 213.9)
-
Step 500
500
#4A96A7
oklch(63.1% 0.079 214.3)
-
Step 600
600 (this color)
#308799
oklch(58% 0.085 214.1)
-
Step 700
700
#186C7C
oklch(49.1% 0.079 213.9)
-
Step 800
800
#185865
oklch(42.7% 0.066 214.3)
-
Step 900
900
#1C4952
oklch(37.8% 0.051 212.8)
-
Step 950
950
#122B30
oklch(27.1% 0.032 212.2)
#308799 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) | #7A839A | 0.077 |
| Deuteranopia (no green cones) | #6B7899 | 0.069 |
| Tritanopia (no blue cones) | #008E8D | 0.036 |
| Achromatopsia (no color) | #7C7C7C | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #308799
#308799
oklch(58% 0.085 214.1)
- #A66758
#A66758
oklch(57.9% 0.085 34.1)
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 #308799, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Blue #01889F ΔE 0.017
- Dark Cyan #008B8B ΔE 0.034
- Blue NCS #118AB2 ΔE 0.038
- Teal Green #0A9396 ΔE 0.039
- Cerulean #457B9D ΔE 0.040
- Stormy Blue #507B9C ΔE 0.043
- Ocean #017B92 ΔE 0.043
- Teal #008080 ΔE 0.048
Use #308799 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.