#308593
Closest named color: Teal Blue (#01889F). oklch(57.2% 0.082 210.4), rgb(48, 133, 147).
Aa
Black text reads best on this color (4.90:1).
About this color
#308593 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 57%, its chroma 0.082 and its hue 210°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Blue (#01889F), ΔE 0.022 away. Black text reads best on it, at 4.90:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Teal Blue (#01889F) |
| Black text | 4.90:1 |
| White text | 4.28:1 |
Values
| HEX | #308593 |
| RGB | rgb(48, 133, 147) |
| HSL | hsl(188, 51%, 38%) |
| OKLCH | oklch(57.2% 0.082 210.4) |
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 #308593 | 4.28:1 | AA large text | Lc -74.8 | Content text, not long reading |
| Black text on #308593 | 4.90:1 | AA | Lc 34.7 | Non-text elements, placeholder text |
| #308593 text on white | 4.28:1 | AA large text | Lc 69.4 | Content text, not long reading |
| #308593 text on black | 4.90:1 | AA | Lc -32.3 | 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
#CADDE1
oklch(88.5% 0.021 211.8)
-
Step 300
300
#A6C8CE
oklch(81% 0.037 209.5)
-
Step 400
400
#74ABB5
oklch(70.7% 0.059 210.1)
-
Step 500
500
#4C96A3
oklch(63.1% 0.076 210.4)
-
Step 600
600 (this color)
#308593
oklch(57.2% 0.082 210.4)
-
Step 700
700
#1B6C79
oklch(49% 0.077 210.8)
-
Step 800
800
#1A5862
oklch(42.6% 0.063 210.3)
-
Step 900
900
#1D4950
oklch(37.8% 0.049 209.3)
-
Step 950
950
#122B2F
oklch(27.1% 0.032 209)
#308593 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) | #798094 | 0.077 |
| Deuteranopia (no green cones) | #6B7693 | 0.070 |
| Tritanopia (no blue cones) | #008B89 | 0.032 |
| Achromatopsia (no color) | #7A7A7A | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #308593
#308593
oklch(57.2% 0.082 210.4)
- #A3655A
#A3655A
oklch(57.2% 0.083 30.7)
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 #308593, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Blue #01889F ΔE 0.022
- Dark Cyan #008B8B ΔE 0.030
- Ocean #017B92 ΔE 0.038
- Teal #008080 ΔE 0.039
- Cerulean #457B9D ΔE 0.040
- Teal Green #0A9396 ΔE 0.041
- Stormy Blue #507B9C ΔE 0.044
- Blue NCS #118AB2 ΔE 0.046
Use #308593 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.