#047999
Closest named color: Ocean (#017B92). oklch(53.6% 0.1 224.8), rgb(4, 121, 153).
Aa
White text reads best on this color (4.99:1).
About this color
#047999 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 54%, its chroma 0.100 and its hue 225°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean (#017B92), ΔE 0.014 away. White text reads best on it, at 4.99:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.100) |
| Temperature | cool |
| Nearest name | Ocean (#017B92) |
| Black text | 4.20:1 |
| White text | 4.99:1 |
Values
| HEX | #047999 |
| RGB | rgb(4, 121, 153) |
| HSL | hsl(193, 95%, 31%) |
| OKLCH | oklch(53.6% 0.1 224.8) |
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 #047999 | 4.99:1 | AA | Lc -79.4 | Fine for body text |
| Black text on #047999 | 4.20:1 | AA large text | Lc 30.1 | Non-text elements, placeholder text |
| #047999 text on white | 4.99:1 | AA | Lc 74.0 | Content text, not long reading |
| #047999 text on black | 4.20:1 | 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
#F1F6F8
oklch(97% 0.006 223.5)
-
Step 100
100
#E1ECF0
oklch(93.6% 0.013 221.4)
-
Step 200
200
#C8DDE6
oklch(88.5% 0.026 225.3)
-
Step 300
300
#A2C7D7
oklch(80.8% 0.045 226)
-
Step 400
400
#6DABC3
oklch(70.8% 0.073 224.6)
-
Step 500
500
#4195B3
oklch(63.1% 0.092 224.7)
-
Step 600
600 (this color)
#047999
oklch(53.6% 0.1 224.8)
-
Step 700
700
#006B88
oklch(49.1% 0.093 224.9)
-
Step 800
800
#0A576F
oklch(42.6% 0.078 225.7)
-
Step 900
900
#15485A
oklch(37.7% 0.061 225.6)
-
Step 950
950
#0F2A34
oklch(26.9% 0.038 225.1)
#047999 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) | #67769B | 0.076 |
| Deuteranopia (no green cones) | #566A99 | 0.067 |
| Tritanopia (no blue cones) | #008284 | 0.050 |
| Achromatopsia (no color) | #6F6F6F | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #047999
#047999
oklch(53.6% 0.1 224.8)
- #9D593A
#9D593A
oklch(53.6% 0.1 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 #047999, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean #017B92 ΔE 0.014
- Sea Blue #047495 ΔE 0.015
- Ocean Blue #03719C ΔE 0.026
- Nice Blue #107AB0 ΔE 0.037
- Muted Blue #3B719F ΔE 0.037
- Cerulean #457B9D ΔE 0.038
- Deep Aqua #08787F ΔE 0.042
- Dull Blue #49759C ΔE 0.042
Use #047999 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.