#488590
Closest named color: Grey Blue (#647D8E). oklch(58% 0.065 210.5), rgb(72, 133, 144).
Aa
Black text reads best on this color (5.03:1).
About this color
#488590 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 58%, its chroma 0.065 and its hue 211°. Its hue sits on the cool side of the wheel. The nearest named color is Grey Blue (#647D8E), ΔE 0.036 away. Black text reads best on it, at 5.03:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (58%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Grey Blue (#647D8E) |
| Black text | 5.03:1 |
| White text | 4.17:1 |
Values
| HEX | #488590 |
| RGB | rgb(72, 133, 144) |
| HSL | hsl(189, 33%, 42%) |
| OKLCH | oklch(58% 0.065 210.5) |
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 #488590 | 4.17:1 | AA large text | Lc -74.1 | Content text, not long reading |
| Black text on #488590 | 5.03:1 | AA | Lc 35.5 | Non-text elements, placeholder text |
| #488590 text on white | 4.17:1 | AA large text | Lc 68.6 | Content text, not long reading |
| #488590 text on black | 5.03:1 | AA | Lc -33.0 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E4EBED
oklch(93.5% 0.008 216.6)
-
Step 200
200
#CEDCDF
oklch(88.5% 0.016 212)
-
Step 300
300
#ACC6CB
oklch(80.9% 0.029 210.5)
-
Step 400
400
#7FA9B1
oklch(70.7% 0.047 210.6)
-
Step 500
500
#5D949E
oklch(63.2% 0.06 210.3)
-
Step 600
600 (this color)
#488590
oklch(58% 0.065 210.5)
-
Step 700
700
#326A74
oklch(49.1% 0.061 210.7)
-
Step 800
800
#2A575E
oklch(42.8% 0.051 208.7)
-
Step 900
900
#27474D
oklch(37.6% 0.039 210.9)
-
Step 950
950
#182A2D
oklch(27.1% 0.024 209.1)
#488590 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) | #7B8191 | 0.061 |
| Deuteranopia (no green cones) | #707890 | 0.057 |
| Tritanopia (no blue cones) | #1F8A88 | 0.035 |
| Achromatopsia (no color) | #7C7C7C | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #488590
#488590
oklch(58% 0.065 210.5)
- #9D6C63
#9D6C63
oklch(58% 0.065 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 #488590, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Blue #647D8E ΔE 0.036
- Teal Blue #01889F ΔE 0.037
- Dark Cyan #008B8B ΔE 0.040
- Stormy Blue #507B9C ΔE 0.040
- Cerulean #457B9D ΔE 0.042
- Dusty Teal #4C9085 ΔE 0.042
- Battleship Grey #6B7C85 ΔE 0.044
- Steel Grey #6F828A ΔE 0.044
Use #488590 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.