#028DAF
Closest named color: Blue NCS (#118AB2). oklch(59.7% 0.111 222.8), rgb(2, 141, 175).
Aa
Black text reads best on this color (5.43:1).
About this color
#028DAF is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 60%, its chroma 0.111 and its hue 223°. Its hue sits on the cool side of the wheel. The nearest named color is Blue NCS (#118AB2), ΔE 0.011 away. Black text reads best on it, at 5.43:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.111) |
| Temperature | cool |
| Nearest name | Blue NCS (#118AB2) |
| Black text | 5.43:1 |
| White text | 3.86:1 |
Values
| HEX | #028DAF |
| RGB | rgb(2, 141, 175) |
| HSL | hsl(192, 98%, 35%) |
| OKLCH | oklch(59.7% 0.111 222.8) |
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 #028DAF | 3.86:1 | AA large text | Lc -71.0 | Content text, not long reading |
| Black text on #028DAF | 5.43:1 | AA | Lc 38.6 | Non-text elements, placeholder text |
| #028DAF text on white | 3.86:1 | AA large text | Lc 65.5 | Content text, not long reading |
| #028DAF text on black | 5.43:1 | AA | Lc -36.1 | 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
#DFECF2
oklch(93.5% 0.016 227)
-
Step 200
200
#C5DEE8
oklch(88.5% 0.03 223.8)
-
Step 300
300
#9BC9DA
oklch(80.9% 0.054 222.6)
-
Step 400
400
#5EADC8
oklch(70.8% 0.087 222.5)
-
Step 500
500 (this color)
#028DAF
oklch(59.7% 0.111 222.8)
-
Step 600
600
#00809F
oklch(55.6% 0.103 222.6)
-
Step 700
700
#006B86
oklch(49% 0.091 223.1)
-
Step 800
800
#00586E
oklch(42.7% 0.079 222.3)
-
Step 900
900
#00495C
oklch(37.6% 0.07 222.6)
-
Step 950
950
#052B37
oklch(27% 0.046 223.9)
#028DAF 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) | #7989B1 | 0.087 |
| Deuteranopia (no green cones) | #667BAF | 0.078 |
| Tritanopia (no blue cones) | #009798 | 0.053 |
| Achromatopsia (no color) | #828282 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #028DAF
#028DAF
oklch(59.7% 0.111 222.8)
- #B66847
#B66847
oklch(59.8% 0.111 43.2)
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 #028DAF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue NCS #118AB2 ΔE 0.011
- Teal Blue #01889F ΔE 0.026
- Steel Blue #4682B4 ΔE 0.044
- Cool Blue #4984B8 ΔE 0.045
- Teal Green #0A9396 ΔE 0.048
- Off Blue #5684AE ΔE 0.049
- Dusty Blue #5A86AD ΔE 0.051
- Water Blue #0E87CC ΔE 0.053
Use #028DAF 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.