#258288
Closest named color: Teal (#008080). oklch(55.7% 0.084 201.4), rgb(37, 130, 136).
Aa
Black text reads best on this color (4.62:1).
About this color
#258288 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 56%, its chroma 0.084 and its hue 201°. Its hue sits on the cool side of the wheel. The nearest named color is Teal (#008080), ΔE 0.019 away. Black text reads best on it, at 4.62:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Teal (#008080) |
| Black text | 4.62:1 |
| White text | 4.53:1 |
Values
| HEX | #258288 |
| RGB | rgb(37, 130, 136) |
| HSL | hsl(184, 57%, 34%) |
| OKLCH | oklch(55.7% 0.084 201.4) |
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 #258288 | 4.53:1 | AA | Lc -76.7 | Fine for body text |
| Black text on #258288 | 4.62:1 | AA | Lc 32.9 | Non-text elements, placeholder text |
| #258288 text on white | 4.53:1 | AA | Lc 71.2 | Content text, not long reading |
| #258288 text on black | 4.62:1 | AA | Lc -30.5 | 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
#CADEDF
oklch(88.6% 0.021 200.4)
-
Step 300
300
#A5C8CB
oklch(80.8% 0.038 202.8)
-
Step 400
400
#72ACB0
oklch(70.6% 0.061 201.4)
-
Step 500
500
#49989D
oklch(63.2% 0.078 200.9)
-
Step 600
600 (this color)
#258288
oklch(55.7% 0.084 201.4)
-
Step 700
700
#156E73
oklch(49.2% 0.078 200.8)
-
Step 800
800
#16595E
oklch(42.6% 0.064 202.4)
-
Step 900
900
#1B4A4D
oklch(37.8% 0.051 201)
-
Step 950
950
#112B2D
oklch(27% 0.032 202.1)
#258288 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) | #787C89 | 0.085 |
| Deuteranopia (no green cones) | #6A7288 | 0.078 |
| Tritanopia (no blue cones) | #008784 | 0.021 |
| Achromatopsia (no color) | #767676 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #258288
#258288
oklch(55.7% 0.084 201.4)
- #9F5F5E
#9F5F5E
oklch(55.7% 0.084 21.1)
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 #258288, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal #008080 ΔE 0.019
- Dark Cyan #008B8B ΔE 0.027
- Ocean #017B92 ΔE 0.033
- Bluegreen #017A79 ΔE 0.035
- Deep Aqua #08787F ΔE 0.035
- Teal Blue #01889F ΔE 0.035
- Teal Green #0A9396 ΔE 0.049
- Cerulean #457B9D ΔE 0.051
Use #258288 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.