#33ADDC
Closest named color: Turquoise Blue (#06B1C4). oklch(70.2% 0.124 228.9), rgb(51, 173, 220).
Aa
Black text reads best on this color (8.15:1).
About this color
#33ADDC is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 70%, its chroma 0.124 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.044 away. Black text reads best on it, at 8.15:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.124) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 8.15:1 |
| White text | 2.57:1 |
Values
| HEX | #33ADDC |
| RGB | rgb(51, 173, 220) |
| HSL | hsl(197, 71%, 53%) |
| OKLCH | oklch(70.2% 0.124 228.9) |
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 #33ADDC | 2.57:1 | Fails | Lc -55.1 | Large or bold text, headings |
| Black text on #33ADDC | 8.15:1 | AAA | Lc 54.0 | Large or bold text, headings |
| #33ADDC text on white | 2.57:1 | Fails | Lc 50.0 | Large or bold text, headings |
| #33ADDC text on black | 8.15:1 | AAA | Lc -52.0 | Large or bold text, headings |
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 400.
-
Step 50
50
#EFF7FB
oklch(97.1% 0.01 228.9)
-
Step 100
100
#DBEDF6
oklch(93.5% 0.023 229.1)
-
Step 200
200
#BDDFF0
oklch(88.4% 0.043 229.5)
-
Step 300
300
#8BCBE9
oklch(81% 0.078 229)
-
Step 400
400 (this color)
#33ADDC
oklch(70.2% 0.124 228.9)
-
Step 500
500
#0097C5
oklch(63.2% 0.124 228.7)
-
Step 600
600
#007EA6
oklch(55.5% 0.11 229.3)
-
Step 700
700
#006A8C
oklch(49% 0.097 229.1)
-
Step 800
800
#005773
oklch(42.7% 0.084 228.5)
-
Step 900
900
#004861
oklch(37.6% 0.075 229.8)
-
Step 950
950
#002B3B
oklch(27% 0.053 228.8)
#33ADDC 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) | #94AADE | 0.087 |
| Deuteranopia (no green cones) | #7E9ADB | 0.075 |
| Tritanopia (no blue cones) | #00BABD | 0.069 |
| Achromatopsia (no color) | #A1A1A1 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33ADDC
#33ADDC
oklch(70.2% 0.124 228.9)
- #DD8656
#DD8656
oklch(70.3% 0.124 48.7)
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 #33ADDC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.044
- Deep Sky Blue #00BFFF ΔE 0.061
- Greyblue #77A1B5 ΔE 0.071
- Chefchaouen Blue #4895EF ΔE 0.078
- Cornflower Blue #6495ED ΔE 0.081
- Vivid Sky Blue #4CC9F0 ΔE 0.081
- Light Sea Green #20B2AA ΔE 0.082
- Bluegrey #85A3B2 ΔE 0.084
Use #33ADDC 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.