#489DB4
Closest named color: Cadet Blue (#5F9EA0). oklch(65.3% 0.088 218.2), rgb(72, 157, 180).
Aa
Black text reads best on this color (6.75:1).
About this color
#489DB4 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 65%, its chroma 0.088 and its hue 218°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.035 away. Black text reads best on it, at 6.75:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 6.75:1 |
| White text | 3.10:1 |
Values
| HEX | #489DB4 |
| RGB | rgb(72, 157, 180) |
| HSL | hsl(193, 43%, 49%) |
| OKLCH | oklch(65.3% 0.088 218.2) |
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 #489DB4 | 3.10:1 | AA large text | Lc -63.2 | Content text, not long reading |
| Black text on #489DB4 | 6.75:1 | AA | Lc 46.2 | Large or bold text, headings |
| #489DB4 text on white | 3.10:1 | AA large text | Lc 57.8 | Large or bold text, headings |
| #489DB4 text on black | 6.75:1 | AA | Lc -43.9 | 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
#F1F6F8
oklch(97% 0.006 223.5)
-
Step 100
100
#E1ECEF
oklch(93.6% 0.012 215.8)
-
Step 200
200
#C9DDE4
oklch(88.5% 0.023 220.8)
-
Step 300
300
#A2C8D3
oklch(80.9% 0.043 217.3)
-
Step 400
400
#6DABBD
oklch(70.6% 0.069 218.2)
-
Step 500
500 (this color)
#489DB4
oklch(65.3% 0.088 218.2)
-
Step 600
600
#138099
oklch(55.5% 0.096 218.8)
-
Step 700
700
#006C82
oklch(49.1% 0.088 218.4)
-
Step 800
800
#09586A
oklch(42.6% 0.074 218.7)
-
Step 900
900
#154956
oklch(37.8% 0.058 217.9)
-
Step 950
950
#0F2B32
oklch(27.1% 0.036 216.6)
#489DB4 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) | #8E99B5 | 0.076 |
| Deuteranopia (no green cones) | #7E8DB4 | 0.068 |
| Tritanopia (no blue cones) | #00A5A4 | 0.048 |
| Achromatopsia (no color) | #929292 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #489DB4
#489DB4
oklch(65.3% 0.088 218.2)
- #BF7D68
#BF7D68
oklch(65.3% 0.088 38.4)
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 #489DB4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.035
- Greyblue #77A1B5 ΔE 0.049
- Sea #3C9992 ΔE 0.053
- Turquoise Blue #06B1C4 ΔE 0.056
- Faded Blue #658CBB ΔE 0.057
- Blue Grey #758DA3 ΔE 0.058
- Dull Teal #5F9E8F ΔE 0.058
- Silver Lake Blue #778DA9 ΔE 0.059
Use #489DB4 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.