#488BA4
Closest named color: Dusty Blue (#5A86AD). oklch(60.3% 0.078 224.8), rgb(72, 139, 164).
Aa
Black text reads best on this color (5.50:1).
About this color
#488BA4 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 60%, its chroma 0.078 and its hue 225°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Blue (#5A86AD), ΔE 0.029 away. Black text reads best on it, at 5.50:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Dusty Blue (#5A86AD) |
| Black text | 5.50:1 |
| White text | 3.81:1 |
Values
| HEX | #488BA4 |
| RGB | rgb(72, 139, 164) |
| HSL | hsl(196, 39%, 46%) |
| OKLCH | oklch(60.3% 0.078 224.8) |
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 #488BA4 | 3.81:1 | AA large text | Lc -71.0 | Content text, not long reading |
| Black text on #488BA4 | 5.50:1 | AA | Lc 38.6 | Non-text elements, placeholder text |
| #488BA4 text on white | 3.81:1 | AA large text | Lc 65.5 | Content text, not long reading |
| #488BA4 text on black | 5.50:1 | AA | Lc -36.2 | 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
#E2ECEF
oklch(93.6% 0.011 217.5)
-
Step 200
200
#CBDCE4
oklch(88.4% 0.021 227.6)
-
Step 300
300
#A7C6D3
oklch(80.8% 0.038 225.1)
-
Step 400
400
#77A9BD
oklch(70.7% 0.06 224.8)
-
Step 500
500 (this color)
#488BA4
oklch(60.3% 0.078 224.8)
-
Step 600
600
#317E98
oklch(55.7% 0.084 223.9)
-
Step 700
700
#236A82
oklch(49.1% 0.078 224.5)
-
Step 800
800
#1F566A
oklch(42.6% 0.066 225.7)
-
Step 900
900
#204756
oklch(37.6% 0.051 225.8)
-
Step 950
950
#142A32
oklch(27.1% 0.032 223.6)
#488BA4 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) | #7D88A5 | 0.061 |
| Deuteranopia (no green cones) | #707EA4 | 0.055 |
| Tritanopia (no blue cones) | #009393 | 0.052 |
| Achromatopsia (no color) | #838383 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #488BA4
#488BA4
oklch(60.3% 0.078 224.8)
- #A8725A
#A8725A
oklch(60.2% 0.077 44.8)
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 #488BA4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Blue #5A86AD ΔE 0.029
- Off Blue #5684AE ΔE 0.032
- Blue NCS #118AB2 ΔE 0.036
- Teal Blue #01889F ΔE 0.038
- Steel Blue #4682B4 ΔE 0.041
- Cool Blue #4984B8 ΔE 0.042
- Stormy Blue #507B9C ΔE 0.045
- Cerulean #457B9D ΔE 0.047
Use #488BA4 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.