#308783
Closest named color: Dark Cyan (#008B8B). oklch(57.1% 0.082 190.8), rgb(48, 135, 131).
Aa
Black text reads best on this color (4.91:1).
About this color
#308783 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 57%, its chroma 0.082 and its hue 191°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Cyan (#008B8B), ΔE 0.019 away. Black text reads best on it, at 4.91:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Dark Cyan (#008B8B) |
| Black text | 4.91:1 |
| White text | 4.26:1 |
Values
| HEX | #308783 |
| RGB | rgb(48, 135, 131) |
| HSL | hsl(177, 48%, 36%) |
| OKLCH | oklch(57.1% 0.082 190.8) |
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 #308783 | 4.26:1 | AA large text | Lc -74.7 | Content text, not long reading |
| Black text on #308783 | 4.91:1 | AA | Lc 34.8 | Non-text elements, placeholder text |
| #308783 text on white | 4.26:1 | AA large text | Lc 69.2 | Content text, not long reading |
| #308783 text on black | 4.91:1 | AA | Lc -32.4 | 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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E2ECEB
oklch(93.5% 0.011 189.8)
-
Step 200
200
#CBDEDC
oklch(88.6% 0.02 189.2)
-
Step 300
300
#A6C9C6
oklch(81% 0.038 190)
-
Step 400
400
#75ADA9
oklch(70.8% 0.059 190.3)
-
Step 500
500
#4D9894
oklch(63.1% 0.075 190.9)
-
Step 600
600 (this color)
#308783
oklch(57.1% 0.082 190.8)
-
Step 700
700
#1B6E6B
oklch(49% 0.076 191.4)
-
Step 800
800
#1A5A57
oklch(42.7% 0.063 190.6)
-
Step 900
900
#1D4A48
oklch(37.7% 0.049 191.3)
-
Step 950
950
#122B2A
oklch(26.9% 0.031 192.1)
#308783 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) | #7F8083 | 0.086 |
| Deuteranopia (no green cones) | #727684 | 0.082 |
| Tritanopia (no blue cones) | #008B86 | 0.018 |
| Achromatopsia (no color) | #7A7A7A | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #308783
#308783
oklch(57.1% 0.082 190.8)
- #A2636C
#A2636C
oklch(57.2% 0.082 10.7)
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 #308783, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Cyan #008B8B ΔE 0.019
- Teal #008080 ΔE 0.030
- Dusty Teal #4C9085 ΔE 0.038
- Teal Green #0A9396 ΔE 0.038
- Teal Blue #01889F ΔE 0.044
- Bluegreen #017A79 ΔE 0.047
- Deep Aqua #08787F ΔE 0.052
- Ocean #017B92 ΔE 0.054
Use #308783 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.