#488B9E
Closest named color: Dusty Blue (#5A86AD). oklch(60% 0.074 218.6), rgb(72, 139, 158).
Aa
Black text reads best on this color (5.46:1).
About this color
#488B9E is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 60%, its chroma 0.074 and its hue 219°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Blue (#5A86AD), ΔE 0.036 away. Black text reads best on it, at 5.46:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Dusty Blue (#5A86AD) |
| Black text | 5.46:1 |
| White text | 3.84:1 |
Values
| HEX | #488B9E |
| RGB | rgb(72, 139, 158) |
| HSL | hsl(193, 37%, 45%) |
| OKLCH | oklch(60% 0.074 218.6) |
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 #488B9E | 3.84:1 | AA large text | Lc -71.3 | Content text, not long reading |
| Black text on #488B9E | 5.46:1 | AA | Lc 38.3 | Non-text elements, placeholder text |
| #488B9E text on white | 3.84:1 | AA large text | Lc 65.8 | Content text, not long reading |
| #488B9E text on black | 5.46:1 | AA | Lc -35.9 | 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 500.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3ECEE
oklch(93.7% 0.01 212.5)
-
Step 200
200
#CBDDE2
oklch(88.6% 0.021 216.2)
-
Step 300
300
#A8C7D0
oklch(81% 0.036 217.2)
-
Step 400
400
#77AAB9
oklch(70.7% 0.058 218.1)
-
Step 500
500 (this color)
#488B9E
oklch(60% 0.074 218.6)
-
Step 600
600
#327E93
oklch(55.5% 0.08 219.2)
-
Step 700
700
#246B7D
oklch(49.2% 0.074 218)
-
Step 800
800
#205766
oklch(42.7% 0.062 219)
-
Step 900
900
#204853
oklch(37.8% 0.049 218.2)
-
Step 950
950
#142A30
oklch(27% 0.03 217.4)
#488B9E 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) | #7F889F | 0.064 |
| Deuteranopia (no green cones) | #727E9E | 0.057 |
| Tritanopia (no blue cones) | #019291 | 0.047 |
| Achromatopsia (no color) | #828282 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #488B9E
#488B9E
oklch(60% 0.074 218.6)
- #A77160
#A77160
oklch(60% 0.074 38.2)
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 #488B9E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Blue #5A86AD ΔE 0.036
- Teal Blue #01889F ΔE 0.037
- Off Blue #5684AE ΔE 0.039
- Blue NCS #118AB2 ΔE 0.042
- Teal Green #0A9396 ΔE 0.042
- Dusty Teal #4C9085 ΔE 0.046
- Grey Blue #647D8E ΔE 0.046
- Stormy Blue #507B9C ΔE 0.046
Use #488B9E 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.