#048E9E
Closest named color: Teal Blue (#01889F). oklch(59.2% 0.101 208.8), rgb(4, 142, 158).
Aa
Black text reads best on this color (5.36:1).
About this color
#048E9E is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 59%, its chroma 0.101 and its hue 209°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Blue (#01889F), ΔE 0.019 away. Black text reads best on it, at 5.36:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.101) |
| Temperature | cool |
| Nearest name | Teal Blue (#01889F) |
| Black text | 5.36:1 |
| White text | 3.91:1 |
Values
| HEX | #048E9E |
| RGB | rgb(4, 142, 158) |
| HSL | hsl(186, 95%, 32%) |
| OKLCH | oklch(59.2% 0.101 208.8) |
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 #048E9E | 3.91:1 | AA large text | Lc -71.5 | Content text, not long reading |
| Black text on #048E9E | 5.36:1 | AA | Lc 38.1 | Non-text elements, placeholder text |
| #048E9E text on white | 3.91:1 | AA large text | Lc 66.0 | Content text, not long reading |
| #048E9E text on black | 5.36:1 | AA | Lc -35.7 | 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
#F1F7F8
oklch(97.2% 0.007 208.8)
-
Step 100
100
#E0ECEE
oklch(93.5% 0.013 208.8)
-
Step 200
200
#C7DEE2
oklch(88.5% 0.025 209.3)
-
Step 300
300
#9FC9D0
oklch(80.8% 0.045 208.8)
-
Step 400
400
#67AEB9
oklch(70.8% 0.073 208.3)
-
Step 500
500
#3399A8
oklch(63.2% 0.094 209.1)
-
Step 600
600 (this color)
#048E9E
oklch(59.2% 0.101 208.8)
-
Step 700
700
#006D7A
oklch(49% 0.084 209.1)
-
Step 800
800
#005A64
oklch(42.8% 0.073 207.9)
-
Step 900
900
#0A4A53
oklch(37.6% 0.061 209.6)
-
Step 950
950
#0A2C30
oklch(27.1% 0.039 206.2)
#048E9E 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 | 0.097 |
| Deuteranopia (no green cones) | #6E7B9E | 0.088 |
| Tritanopia (no blue cones) | #009593 | 0.031 |
| Achromatopsia (no color) | #818181 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #048E9E
#048E9E
oklch(59.2% 0.101 208.8)
- #B2655B
#B2655B
oklch(59.2% 0.101 28.3)
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 #048E9E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Blue #01889F ΔE 0.019
- Teal Green #0A9396 ΔE 0.023
- Dark Cyan #008B8B ΔE 0.029
- Blue NCS #118AB2 ΔE 0.037
- Sea #3C9992 ΔE 0.050
- Dusty Teal #4C9085 ΔE 0.051
- Blue Green #0F9B8E ΔE 0.053
- Teal #008080 ΔE 0.055
Use #048E9E 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.