#21969A
Closest named color: Teal Green (#0A9396). oklch(61.4% 0.097 198.5), rgb(33, 150, 154).
Aa
Black text reads best on this color (5.89:1).
About this color
#21969A is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 61%, its chroma 0.097 and its hue 198°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Green (#0A9396), ΔE 0.013 away. Black text reads best on it, at 5.89:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Teal Green (#0A9396) |
| Black text | 5.89:1 |
| White text | 3.56:1 |
Values
| HEX | #21969A |
| RGB | rgb(33, 150, 154) |
| HSL | hsl(182, 65%, 37%) |
| OKLCH | oklch(61.4% 0.097 198.5) |
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 #21969A | 3.56:1 | AA large text | Lc -68.3 | Content text, not long reading |
| Black text on #21969A | 5.89:1 | AA | Lc 41.3 | Non-text elements, placeholder text |
| #21969A text on white | 3.56:1 | AA large text | Lc 62.8 | Content text, not long reading |
| #21969A text on black | 5.89:1 | AA | Lc -38.9 | 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
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E0EDED
oklch(93.6% 0.014 196.9)
-
Step 200
200
#C6DFDF
oklch(88.5% 0.027 196.7)
-
Step 300
300
#9DCBCC
oklch(81% 0.048 197.9)
-
Step 400
400
#63AFB2
oklch(70.6% 0.076 198.9)
-
Step 500
500 (this color)
#21969A
oklch(61.4% 0.097 198.5)
-
Step 600
600
#008488
oklch(55.7% 0.095 198.5)
-
Step 700
700
#006F72
oklch(49.2% 0.084 198.1)
-
Step 800
800
#005B5E
oklch(42.8% 0.073 198.7)
-
Step 900
900
#024C4E
oklch(37.8% 0.064 197.9)
-
Step 950
950
#082C2E
oklch(26.9% 0.04 200.4)
#21969A 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) | #8B8F9A | 0.100 |
| Deuteranopia (no green cones) | #7A829B | 0.094 |
| Tritanopia (no blue cones) | #009C97 | 0.021 |
| Achromatopsia (no color) | #888888 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #21969A
#21969A
oklch(61.4% 0.097 198.5)
- #B86C6E
#B86C6E
oklch(61.6% 0.097 18.6)
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 #21969A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Green #0A9396 ΔE 0.013
- Sea #3C9992 ΔE 0.022
- Blue Green #0F9B8E ΔE 0.028
- Persian Green #2A9D8F ΔE 0.031
- Dusty Teal #4C9085 ΔE 0.036
- Dark Cyan #008B8B ΔE 0.039
- Teal Blue #01889F ΔE 0.048
- Grey Teal #5E9B8A ΔE 0.053
Use #21969A 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.