#047B91
Closest named color: Ocean (#017B92). oklch(53.7% 0.095 216.2), rgb(4, 123, 145).
Aa
White text reads best on this color (4.94:1).
About this color
#047B91 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 54%, its chroma 0.095 and its hue 216°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean (#017B92), ΔE 0.002 away. White text reads best on it, at 4.94:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.095) |
| Temperature | cool |
| Nearest name | Ocean (#017B92) |
| Black text | 4.24:1 |
| White text | 4.94:1 |
Values
| HEX | #047B91 |
| RGB | rgb(4, 123, 145) |
| HSL | hsl(189, 95%, 29%) |
| OKLCH | oklch(53.7% 0.095 216.2) |
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 #047B91 | 4.94:1 | AA | Lc -79.1 | Fine for body text |
| Black text on #047B91 | 4.24:1 | AA large text | Lc 30.4 | Non-text elements, placeholder text |
| #047B91 text on white | 4.94:1 | AA | Lc 73.7 | Content text, not long reading |
| #047B91 text on black | 4.24:1 | AA large text | Lc -28.0 | 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
#F1F6F8
oklch(97% 0.006 223.5)
-
Step 100
100
#E1ECEF
oklch(93.6% 0.012 215.8)
-
Step 200
200
#C9DDE3
oklch(88.4% 0.023 217.7)
-
Step 300
300
#A2C8D2
oklch(80.9% 0.043 215.5)
-
Step 400
400
#6DACBC
oklch(70.8% 0.069 215.6)
-
Step 500
500
#4197AB
oklch(63.2% 0.087 215.5)
-
Step 600
600 (this color)
#047B91
oklch(53.7% 0.095 216.2)
-
Step 700
700
#006C80
oklch(49% 0.087 216.4)
-
Step 800
800
#095968
oklch(42.8% 0.073 214.9)
-
Step 900
900
#154955
oklch(37.7% 0.057 216.3)
-
Step 950
950
#0F2B32
oklch(27.1% 0.036 216.6)
#047B91 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) | #6C7792 | 0.082 |
| Deuteranopia (no green cones) | #5C6B91 | 0.074 |
| Tritanopia (no blue cones) | #008382 | 0.039 |
| Achromatopsia (no color) | #707070 | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #047B91
#047B91
oklch(53.7% 0.095 216.2)
- #9D5946
#9D5946
oklch(53.8% 0.095 36.5)
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 #047B91, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean #017B92 ΔE 0.002
- Sea Blue #047495 ΔE 0.024
- Deep Aqua #08787F ΔE 0.028
- Teal #008080 ΔE 0.035
- Bluegreen #017A79 ΔE 0.038
- Ocean Blue #03719C ΔE 0.039
- Teal Blue #01889F ΔE 0.040
- Cerulean #457B9D ΔE 0.043
Use #047B91 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.