#4B879E
Closest named color: Dusty Blue (#5A86AD). oklch(59.2% 0.072 225), rgb(75, 135, 158).
Aa
Black text reads best on this color (5.25:1).
About this color
#4B879E is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 59%, its chroma 0.072 and its hue 225°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Blue (#5A86AD), ΔE 0.030 away. Black text reads best on it, at 5.25:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Dusty Blue (#5A86AD) |
| Black text | 5.25:1 |
| White text | 3.99:1 |
Values
| HEX | #4B879E |
| RGB | rgb(75, 135, 158) |
| HSL | hsl(197, 36%, 46%) |
| OKLCH | oklch(59.2% 0.072 225) |
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 #4B879E | 3.99:1 | AA large text | Lc -72.6 | Content text, not long reading |
| Black text on #4B879E | 5.25:1 | AA | Lc 37.0 | Non-text elements, placeholder text |
| #4B879E text on white | 3.99:1 | AA large text | Lc 67.1 | Content text, not long reading |
| #4B879E text on black | 5.25:1 | AA | Lc -34.5 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E4EBEF
oklch(93.6% 0.009 232.4)
-
Step 200
200
#CDDCE2
oklch(88.5% 0.018 223.6)
-
Step 300
300
#ABC6D0
oklch(81% 0.032 222.1)
-
Step 400
400
#7EA8B9
oklch(70.7% 0.052 224.8)
-
Step 500
500
#5C92A8
oklch(63.1% 0.066 225.8)
-
Step 600
600 (this color)
#4B879E
oklch(59.2% 0.072 225)
-
Step 700
700
#32697D
oklch(49.2% 0.066 224.4)
-
Step 800
800
#2A5566
oklch(42.6% 0.055 226.1)
-
Step 900
900
#274753
oklch(37.9% 0.043 224.2)
-
Step 950
950
#172930
oklch(26.9% 0.027 224.6)
#4B879E 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) | #7A849F | 0.055 |
| Deuteranopia (no green cones) | #6E7B9E | 0.050 |
| Tritanopia (no blue cones) | #178E8E | 0.050 |
| Achromatopsia (no color) | #7F7F7F | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B879E
#4B879E
oklch(59.2% 0.072 225)
- #A2705A
#A2705A
oklch(59.1% 0.072 44.6)
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 #4B879E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Blue #5A86AD ΔE 0.030
- Off Blue #5684AE ΔE 0.032
- Stormy Blue #507B9C ΔE 0.035
- Teal Blue #01889F ΔE 0.037
- Cerulean #457B9D ΔE 0.037
- Grey Blue #647D8E ΔE 0.038
- Blue NCS #118AB2 ΔE 0.041
- Steel Blue #4682B4 ΔE 0.041
Use #4B879E 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.