#279AAE
Closest named color: Teal Green (#0A9396). oklch(63.4% 0.101 212.3), rgb(39, 154, 174).
Aa
Black text reads best on this color (6.31:1).
About this color
#279AAE is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 63%, its chroma 0.101 and its hue 212°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Green (#0A9396), ΔE 0.041 away. Black text reads best on it, at 6.31:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.101) |
| Temperature | cool |
| Nearest name | Teal Green (#0A9396) |
| Black text | 6.31:1 |
| White text | 3.32:1 |
Values
| HEX | #279AAE |
| RGB | rgb(39, 154, 174) |
| HSL | hsl(189, 63%, 42%) |
| OKLCH | oklch(63.4% 0.101 212.3) |
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 #279AAE | 3.32:1 | AA large text | Lc -65.7 | Content text, not long reading |
| Black text on #279AAE | 6.31:1 | AA | Lc 43.8 | Non-text elements, placeholder text |
| #279AAE text on white | 3.32:1 | AA large text | Lc 60.2 | Content text, not long reading |
| #279AAE text on black | 6.31:1 | AA | Lc -41.5 | 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
#F1F7F8
oklch(97.2% 0.007 208.8)
-
Step 100
100
#E0EDEF
oklch(93.7% 0.014 207.9)
-
Step 200
200
#C6DEE4
oklch(88.5% 0.027 214.4)
-
Step 300
300
#9CCAD3
oklch(80.9% 0.05 210.9)
-
Step 400
400
#61AEBE
oklch(70.7% 0.08 212.6)
-
Step 500
500 (this color)
#279AAE
oklch(63.4% 0.101 212.3)
-
Step 600
600
#008294
oklch(55.7% 0.097 211.6)
-
Step 700
700
#006D7D
oklch(49.1% 0.086 212.3)
-
Step 800
800
#005967
oklch(42.6% 0.075 213)
-
Step 900
900
#004A56
oklch(37.6% 0.066 213)
-
Step 950
950
#072C32
oklch(27.1% 0.042 210.6)
#279AAE 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) | #8B95AF | 0.093 |
| Deuteranopia (no green cones) | #7887AE | 0.084 |
| Tritanopia (no blue cones) | #00A2A0 | 0.038 |
| Achromatopsia (no color) | #8D8D8D | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #279AAE
#279AAE
oklch(63.4% 0.101 212.3)
- #BF7263
#BF7263
oklch(63.2% 0.101 31.8)
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 #279AAE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Green #0A9396 ΔE 0.041
- Sea #3C9992 ΔE 0.042
- Cadet Blue #5F9EA0 ΔE 0.048
- Persian Green #2A9D8F ΔE 0.051
- Blue NCS #118AB2 ΔE 0.052
- Blue Green #0F9B8E ΔE 0.052
- Teal Blue #01889F ΔE 0.057
- Dusty Teal #4C9085 ΔE 0.060
Use #279AAE 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.