#4090AE
Closest named color: Blue NCS (#118AB2). oklch(61.6% 0.09 225.8), rgb(64, 144, 174).
Aa
Black text reads best on this color (5.81:1).
About this color
#4090AE is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 62%, its chroma 0.090 and its hue 226°. Its hue sits on the cool side of the wheel. The nearest named color is Blue NCS (#118AB2), ΔE 0.033 away. Black text reads best on it, at 5.81:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Blue NCS (#118AB2) |
| Black text | 5.81:1 |
| White text | 3.60:1 |
Values
| HEX | #4090AE |
| RGB | rgb(64, 144, 174) |
| HSL | hsl(196, 46%, 47%) |
| OKLCH | oklch(61.6% 0.09 225.8) |
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 #4090AE | 3.60:1 | AA large text | Lc -68.9 | Content text, not long reading |
| Black text on #4090AE | 5.81:1 | AA | Lc 40.6 | Non-text elements, placeholder text |
| #4090AE text on white | 3.60:1 | AA large text | Lc 63.5 | Content text, not long reading |
| #4090AE text on black | 5.81:1 | AA | Lc -38.2 | 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 500.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E1ECF0
oklch(93.6% 0.013 221.4)
-
Step 200
200
#C9DDE6
oklch(88.5% 0.025 226.5)
-
Step 300
300
#A3C7D6
oklch(80.8% 0.044 225.1)
-
Step 400
400
#70AAC2
oklch(70.7% 0.07 226)
-
Step 500
500 (this color)
#4090AE
oklch(61.6% 0.09 225.8)
-
Step 600
600
#1E7E9F
oklch(55.5% 0.098 226.6)
-
Step 700
700
#0C6B88
oklch(49.2% 0.091 225.7)
-
Step 800
800
#11576E
oklch(42.7% 0.075 225.6)
-
Step 900
900
#184859
oklch(37.7% 0.058 225.1)
-
Step 950
950
#102A34
oklch(27% 0.037 225.8)
#4090AE 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) | #808DB0 | 0.069 |
| Deuteranopia (no green cones) | #7082AE | 0.060 |
| Tritanopia (no blue cones) | #00999A | 0.053 |
| Achromatopsia (no color) | #878787 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4090AE
#4090AE
oklch(61.6% 0.09 225.8)
- #B27356
#B27356
oklch(61.5% 0.09 45.3)
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 #4090AE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue NCS #118AB2 ΔE 0.033
- Dusty Blue #5A86AD ΔE 0.034
- Off Blue #5684AE ΔE 0.038
- Cool Blue #4984B8 ΔE 0.042
- Steel Blue #4682B4 ΔE 0.044
- Faded Blue #658CBB ΔE 0.044
- Teal Blue #01889F ΔE 0.045
- Teal Green #0A9396 ΔE 0.050
Use #4090AE 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.