#048198
Closest named color: Ocean (#017B92). oklch(55.6% 0.098 216.2), rgb(4, 129, 152).
Aa
Black text reads best on this color (4.59:1).
About this color
#048198 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 56%, its chroma 0.098 and its hue 216°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean (#017B92), ΔE 0.019 away. Black text reads best on it, at 4.59:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.098) |
| Temperature | cool |
| Nearest name | Ocean (#017B92) |
| Black text | 4.59:1 |
| White text | 4.56:1 |
Values
| HEX | #048198 |
| RGB | rgb(4, 129, 152) |
| HSL | hsl(189, 95%, 31%) |
| OKLCH | oklch(55.6% 0.098 216.2) |
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 #048198 | 4.56:1 | AA | Lc -76.6 | Fine for body text |
| Black text on #048198 | 4.59:1 | AA | Lc 32.9 | Non-text elements, placeholder text |
| #048198 text on white | 4.56:1 | AA | Lc 71.2 | Content text, not long reading |
| #048198 text on black | 4.59:1 | AA | Lc -30.5 | 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
#F1F6F8
oklch(97% 0.006 223.5)
-
Step 100
100
#E1ECEF
oklch(93.6% 0.012 215.8)
-
Step 200
200
#C8DEE4
oklch(88.6% 0.025 215.9)
-
Step 300
300
#A1C8D3
oklch(80.8% 0.044 216.8)
-
Step 400
400
#6BACBD
oklch(70.7% 0.071 216.3)
-
Step 500
500
#3C97AC
oklch(63.1% 0.09 215.7)
-
Step 600
600 (this color)
#048198
oklch(55.6% 0.098 216.2)
-
Step 700
700
#006C80
oklch(49% 0.087 216.4)
-
Step 800
800
#015969
oklch(42.7% 0.075 215.5)
-
Step 900
900
#124956
oklch(37.7% 0.059 217.2)
-
Step 950
950
#0D2B32
oklch(27% 0.037 215.6)
#048198 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) | #727D99 | 0.086 |
| Deuteranopia (no green cones) | #607098 | 0.077 |
| Tritanopia (no blue cones) | #008988 | 0.040 |
| Achromatopsia (no color) | #767676 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #048198
#048198
oklch(55.6% 0.098 216.2)
- #A45D4A
#A45D4A
oklch(55.6% 0.098 35.9)
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 #048198, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean #017B92 ΔE 0.019
- Teal Blue #01889F ΔE 0.021
- Teal #008080 ΔE 0.038
- Cerulean #457B9D ΔE 0.039
- Sea Blue #047495 ΔE 0.039
- Dark Cyan #008B8B ΔE 0.042
- Deep Aqua #08787F ΔE 0.042
- Blue NCS #118AB2 ΔE 0.044
Use #048198 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.