#2891AF
Closest named color: Blue NCS (#118AB2). oklch(61.2% 0.101 221.7), rgb(40, 145, 175).
Aa
Black text reads best on this color (5.75:1).
About this color
#2891AF is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 61%, its chroma 0.101 and its hue 222°. Its hue sits on the cool side of the wheel. The nearest named color is Blue NCS (#118AB2), ΔE 0.025 away. Black text reads best on it, at 5.75:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.101) |
| Temperature | cool |
| Nearest name | Blue NCS (#118AB2) |
| Black text | 5.75:1 |
| White text | 3.64:1 |
Values
| HEX | #2891AF |
| RGB | rgb(40, 145, 175) |
| HSL | hsl(193, 63%, 42%) |
| OKLCH | oklch(61.2% 0.101 221.7) |
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 #2891AF | 3.64:1 | AA large text | Lc -69.2 | Content text, not long reading |
| Black text on #2891AF | 5.75:1 | AA | Lc 40.4 | Non-text elements, placeholder text |
| #2891AF text on white | 3.64:1 | AA large text | Lc 63.7 | Content text, not long reading |
| #2891AF text on black | 5.75:1 | AA | Lc -38.0 | 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
#F1F7F9
oklch(97.2% 0.007 219.6)
-
Step 100
100
#E0ECF1
oklch(93.6% 0.015 224.5)
-
Step 200
200
#C6DEE6
oklch(88.5% 0.028 219.8)
-
Step 300
300
#9EC8D8
oklch(80.8% 0.05 223.1)
-
Step 400
400
#65ACC4
oklch(70.7% 0.079 221.8)
-
Step 500
500 (this color)
#2891AF
oklch(61.2% 0.101 221.7)
-
Step 600
600
#00809E
oklch(55.6% 0.103 221.9)
-
Step 700
700
#006C85
oklch(49.2% 0.09 221.2)
-
Step 800
800
#00586E
oklch(42.7% 0.079 222.3)
-
Step 900
900
#08495A
oklch(37.7% 0.066 221.2)
-
Step 950
950
#092B35
oklch(27% 0.042 221.3)
#2891AF 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) | #7F8DB1 | 0.082 |
| Deuteranopia (no green cones) | #6D80AF | 0.073 |
| Tritanopia (no blue cones) | #009A9B | 0.048 |
| Achromatopsia (no color) | #868686 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2891AF
#2891AF
oklch(61.2% 0.101 221.7)
- #B76E52
#B76E52
oklch(61.2% 0.102 41.6)
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 #2891AF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue NCS #118AB2 ΔE 0.025
- Teal Blue #01889F ΔE 0.037
- Teal Green #0A9396 ΔE 0.044
- Dusty Blue #5A86AD ΔE 0.046
- Off Blue #5684AE ΔE 0.047
- Cool Blue #4984B8 ΔE 0.047
- Steel Blue #4682B4 ΔE 0.048
- Faded Blue #658CBB ΔE 0.057
Use #2891AF 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.