#2283A7
Closest named color: Blue NCS (#118AB2). oklch(57.2% 0.101 228.2), rgb(34, 131, 167).
Aa
Black text reads best on this color (4.87:1).
About this color
#2283A7 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 57%, its chroma 0.101 and its hue 228°. Its hue sits on the cool side of the wheel. The nearest named color is Blue NCS (#118AB2), ΔE 0.023 away. Black text reads best on it, at 4.87:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.101) |
| Temperature | cool |
| Nearest name | Blue NCS (#118AB2) |
| Black text | 4.87:1 |
| White text | 4.30:1 |
Values
| HEX | #2283A7 |
| RGB | rgb(34, 131, 167) |
| HSL | hsl(196, 66%, 39%) |
| OKLCH | oklch(57.2% 0.101 228.2) |
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 #2283A7 | 4.30:1 | AA large text | Lc -74.9 | Content text, not long reading |
| Black text on #2283A7 | 4.87:1 | AA | Lc 34.6 | Non-text elements, placeholder text |
| #2283A7 text on white | 4.30:1 | AA large text | Lc 69.4 | Content text, not long reading |
| #2283A7 text on black | 4.87:1 | AA | Lc -32.2 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF1
oklch(93.6% 0.014 226.6)
-
Step 200
200
#C9DDE7
oklch(88.6% 0.025 229.2)
-
Step 300
300
#A3C7D8
oklch(80.9% 0.045 228.2)
-
Step 400
400
#6FAAC5
oklch(70.8% 0.073 228.6)
-
Step 500
500
#4394B6
oklch(63% 0.093 228.5)
-
Step 600
600 (this color)
#2283A7
oklch(57.2% 0.101 228.2)
-
Step 700
700
#066A8B
oklch(49% 0.095 228.8)
-
Step 800
800
#0F5771
oklch(42.8% 0.078 228.4)
-
Step 900
900
#17485B
oklch(37.8% 0.061 227.6)
-
Step 950
950
#0F2A35
oklch(27% 0.038 227.5)
#2283A7 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) | #7081A9 | 0.072 |
| Deuteranopia (no green cones) | #5E74A7 | 0.063 |
| Tritanopia (no blue cones) | #008D8F | 0.056 |
| Achromatopsia (no color) | #7A7A7A | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2283A7
#2283A7
oklch(57.2% 0.101 228.2)
- #A86440
#A86440
oklch(57.2% 0.101 47.8)
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 #2283A7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue NCS #118AB2 ΔE 0.023
- Teal Blue #01889F ΔE 0.024
- Cerulean #457B9D ΔE 0.030
- Steel Blue #4682B4 ΔE 0.034
- Nice Blue #107AB0 ΔE 0.035
- Stormy Blue #507B9C ΔE 0.038
- Ocean #017B92 ΔE 0.040
- Cool Blue #4984B8 ΔE 0.041
Use #2283A7 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.