#4B8FAC
Closest named color: Dusty Blue (#5A86AD). oklch(61.7% 0.082 228), rgb(75, 143, 172).
Aa
Black text reads best on this color (5.82:1).
About this color
#4B8FAC is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 62%, its chroma 0.082 and its hue 228°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Blue (#5A86AD), ΔE 0.029 away. Black text reads best on it, at 5.82:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Dusty Blue (#5A86AD) |
| Black text | 5.82:1 |
| White text | 3.60:1 |
Values
| HEX | #4B8FAC |
| RGB | rgb(75, 143, 172) |
| HSL | hsl(198, 39%, 48%) |
| OKLCH | oklch(61.7% 0.082 228) |
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 #4B8FAC | 3.60:1 | AA large text | Lc -69.0 | Content text, not long reading |
| Black text on #4B8FAC | 5.82:1 | AA | Lc 40.6 | Non-text elements, placeholder text |
| #4B8FAC text on white | 3.60:1 | AA large text | Lc 63.5 | Content text, not long reading |
| #4B8FAC text on black | 5.82:1 | 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
#E2ECF0
oklch(93.7% 0.012 223.5)
-
Step 200
200
#CBDCE5
oklch(88.4% 0.022 230.6)
-
Step 300
300
#A7C6D5
oklch(80.9% 0.04 228.7)
-
Step 400
400
#76A9C0
oklch(70.7% 0.064 227.8)
-
Step 500
500 (this color)
#4B8FAC
oklch(61.7% 0.082 228)
-
Step 600
600
#2F7D9C
oklch(55.6% 0.089 228.1)
-
Step 700
700
#216985
oklch(49% 0.082 228.3)
-
Step 800
800
#1E566C
oklch(42.7% 0.068 227.8)
-
Step 900
900
#1F4758
oklch(37.7% 0.053 228.4)
-
Step 950
950
#132A33
oklch(27.1% 0.033 225.6)
#4B8FAC 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) | #808DAD | 0.060 |
| Deuteranopia (no green cones) | #7282AC | 0.053 |
| Tritanopia (no blue cones) | #009798 | 0.057 |
| Achromatopsia (no color) | #878787 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B8FAC
#4B8FAC
oklch(61.7% 0.082 228)
- #AE7659
#AE7659
oklch(61.7% 0.082 48.1)
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 #4B8FAC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Blue #5A86AD ΔE 0.029
- Off Blue #5684AE ΔE 0.033
- Faded Blue #658CBB ΔE 0.039
- Blue NCS #118AB2 ΔE 0.039
- Cool Blue #4984B8 ΔE 0.042
- Steel Blue #4682B4 ΔE 0.044
- Blue Grey #758DA3 ΔE 0.045
- Silver Lake Blue #778DA9 ΔE 0.048
Use #4B8FAC 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.