#4B7971
Closest named color: Bluegreen (#017A79). oklch(54% 0.052 182.1), rgb(75, 121, 113).
Aa
White text reads best on this color (4.91:1).
About this color
#4B7971 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 54%, its chroma 0.052 and its hue 182°. Its hue sits on the cool side of the wheel. The nearest named color is Bluegreen (#017A79), ΔE 0.043 away. White text reads best on it, at 4.91:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (54%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Bluegreen (#017A79) |
| Black text | 4.27:1 |
| White text | 4.91:1 |
Values
| HEX | #4B7971 |
| RGB | rgb(75, 121, 113) |
| HSL | hsl(170, 23%, 38%) |
| OKLCH | oklch(54% 0.052 182.1) |
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 #4B7971 | 4.91:1 | AA | Lc -79.4 | Fine for body text |
| Black text on #4B7971 | 4.27:1 | AA large text | Lc 30.1 | Non-text elements, placeholder text |
| #4B7971 text on white | 4.91:1 | AA | Lc 74.0 | Content text, not long reading |
| #4B7971 text on black | 4.27:1 | AA large text | Lc -27.7 | Dividers and decoration only |
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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E5EBEA
oklch(93.5% 0.007 185.3)
-
Step 200
200
#D0DCDA
oklch(88.5% 0.013 185.1)
-
Step 300
300
#B1C6C2
oklch(81% 0.024 183)
-
Step 400
400
#87A9A2
oklch(70.7% 0.039 181.2)
-
Step 500
500
#69938C
oklch(63% 0.047 183.3)
-
Step 600
600 (this color)
#4B7971
oklch(54% 0.052 182.1)
-
Step 700
700
#406A63
oklch(49.1% 0.049 182.5)
-
Step 800
800
#355651
oklch(42.6% 0.04 183.8)
-
Step 900
900
#2F4743
oklch(37.7% 0.03 183.1)
-
Step 950
950
#1C2A27
oklch(27.1% 0.02 180)
#4B7971 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) | #757471 | 0.056 |
| Deuteranopia (no green cones) | #6D6E72 | 0.053 |
| Tritanopia (no blue cones) | #3B7B76 | 0.016 |
| Achromatopsia (no color) | #717171 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B7971
#4B7971
oklch(54% 0.052 182.1)
- #89626C
#89626C
oklch(54% 0.052 2.1)
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 #4B7971, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluegreen #017A79 ΔE 0.043
- Teal #008080 ΔE 0.043
- Deep Aqua #08787F ΔE 0.046
- Battleship Gray #6C757D ΔE 0.050
- Deep Turquoise #017374 ΔE 0.052
- Dark Aquamarine #017371 ΔE 0.052
- Battleship Grey #6B7C85 ΔE 0.054
- Metallic Blue #4F738E ΔE 0.056
Use #4B7971 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.