#488C9E
Closest named color: Dusty Blue (#5A86AD). oklch(60.3% 0.074 217.2), rgb(72, 140, 158).
Aa
Black text reads best on this color (5.52:1).
About this color
#488C9E is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 60%, its chroma 0.074 and its hue 217°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Blue (#5A86AD), ΔE 0.038 away. Black text reads best on it, at 5.52:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Dusty Blue (#5A86AD) |
| Black text | 5.52:1 |
| White text | 3.80:1 |
Values
| HEX | #488C9E |
| RGB | rgb(72, 140, 158) |
| HSL | hsl(193, 37%, 45%) |
| OKLCH | oklch(60.3% 0.074 217.2) |
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 #488C9E | 3.80:1 | AA large text | Lc -70.9 | Content text, not long reading |
| Black text on #488C9E | 5.52:1 | AA | Lc 38.7 | Non-text elements, placeholder text |
| #488C9E text on white | 3.80:1 | AA large text | Lc 65.4 | Content text, not long reading |
| #488C9E text on black | 5.52:1 | AA | Lc -36.3 | 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 500.
-
Step 50
50
#F2F6F7
oklch(97% 0.004 214.3)
-
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
#A7C7D0
oklch(80.9% 0.037 216.6)
-
Step 400
400
#77AAB8
oklch(70.7% 0.058 216.7)
-
Step 500
500 (this color)
#488C9E
oklch(60.3% 0.074 217.2)
-
Step 600
600
#317F92
oklch(55.7% 0.08 216.8)
-
Step 700
700
#236B7C
oklch(49.1% 0.074 216.7)
-
Step 800
800
#1F5765
oklch(42.6% 0.062 217.3)
-
Step 900
900
#204852
oklch(37.7% 0.048 216.3)
-
Step 950
950
#142A30
oklch(27% 0.03 217.4)
#488C9E 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) | #80889F | 0.065 |
| Deuteranopia (no green cones) | #737F9E | 0.058 |
| Tritanopia (no blue cones) | #009292 | 0.044 |
| Achromatopsia (no color) | #838383 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #488C9E
#488C9E
oklch(60.3% 0.074 217.2)
- #A87161
#A87161
oklch(60.2% 0.074 36.9)
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 #488C9E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Blue #5A86AD ΔE 0.038
- Teal Blue #01889F ΔE 0.038
- Teal Green #0A9396 ΔE 0.040
- Off Blue #5684AE ΔE 0.041
- Blue NCS #118AB2 ΔE 0.043
- Dusty Teal #4C9085 ΔE 0.044
- Grey Blue #647D8E ΔE 0.048
- Steel #738595 ΔE 0.048
Use #488C9E 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.