#2A89A8
Closest named color: Blue NCS (#118AB2). oklch(58.9% 0.097 224.3), rgb(42, 137, 168).
Aa
Black text reads best on this color (5.24:1).
About this color
#2A89A8 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 59%, its chroma 0.097 and its hue 224°. Its hue sits on the cool side of the wheel. The nearest named color is Blue NCS (#118AB2), ΔE 0.016 away. Black text reads best on it, at 5.24:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Blue NCS (#118AB2) |
| Black text | 5.24:1 |
| White text | 4.00:1 |
Values
| HEX | #2A89A8 |
| RGB | rgb(42, 137, 168) |
| HSL | hsl(195, 60%, 41%) |
| OKLCH | oklch(58.9% 0.097 224.3) |
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 #2A89A8 | 4.00:1 | AA large text | Lc -72.5 | Content text, not long reading |
| Black text on #2A89A8 | 5.24:1 | AA | Lc 37.1 | Non-text elements, placeholder text |
| #2A89A8 text on white | 4.00:1 | AA large text | Lc 67.0 | Content text, not long reading |
| #2A89A8 text on black | 5.24:1 | AA | Lc -34.6 | 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
#F1F6F8
oklch(97% 0.006 223.5)
-
Step 100
100
#E1ECF0
oklch(93.6% 0.013 221.4)
-
Step 200
200
#C9DDE5
oklch(88.5% 0.024 223.7)
-
Step 300
300
#A3C7D6
oklch(80.8% 0.044 225.1)
-
Step 400
400
#6FAAC1
oklch(70.6% 0.07 224.6)
-
Step 500
500
#4495B2
oklch(63.1% 0.09 224.5)
-
Step 600
600 (this color)
#2A89A8
oklch(58.9% 0.097 224.3)
-
Step 700
700
#086B87
oklch(49.1% 0.091 224.6)
-
Step 800
800
#0F576D
oklch(42.6% 0.075 224.2)
-
Step 900
900
#174859
oklch(37.7% 0.059 224.8)
-
Step 950
950
#102A34
oklch(27% 0.037 225.8)
#2A89A8 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) | #7886AA | 0.076 |
| Deuteranopia (no green cones) | #677AA8 | 0.066 |
| Tritanopia (no blue cones) | #009293 | 0.050 |
| Achromatopsia (no color) | #7F7F7F | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A89A8
#2A89A8
oklch(58.9% 0.097 224.3)
- #AD694B
#AD694B
oklch(58.9% 0.098 44.2)
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 #2A89A8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue NCS #118AB2 ΔE 0.016
- Teal Blue #01889F ΔE 0.021
- Steel Blue #4682B4 ΔE 0.037
- Off Blue #5684AE ΔE 0.039
- Cool Blue #4984B8 ΔE 0.040
- Cerulean #457B9D ΔE 0.041
- Dusty Blue #5A86AD ΔE 0.041
- Stormy Blue #507B9C ΔE 0.045
Use #2A89A8 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.