#048CAB
Closest named color: Blue NCS (#118AB2). oklch(59.3% 0.108 220.9), rgb(4, 140, 171).
Aa
Black text reads best on this color (5.34:1).
About this color
#048CAB is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 59%, its chroma 0.108 and its hue 221°. Its hue sits on the cool side of the wheel. The nearest named color is Blue NCS (#118AB2), ΔE 0.014 away. Black text reads best on it, at 5.34:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | Blue NCS (#118AB2) |
| Black text | 5.34:1 |
| White text | 3.92:1 |
Values
| HEX | #048CAB |
| RGB | rgb(4, 140, 171) |
| HSL | hsl(191, 95%, 34%) |
| OKLCH | oklch(59.3% 0.108 220.9) |
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 #048CAB | 3.92:1 | AA large text | Lc -71.6 | Content text, not long reading |
| Black text on #048CAB | 5.34:1 | AA | Lc 38.0 | Non-text elements, placeholder text |
| #048CAB text on white | 3.92:1 | AA large text | Lc 66.1 | Content text, not long reading |
| #048CAB text on black | 5.34:1 | AA | Lc -35.6 | 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
#E0ECF0
oklch(93.5% 0.014 219.6)
-
Step 200
200
#C7DEE6
oklch(88.6% 0.027 220.7)
-
Step 300
300
#9FC8D7
oklch(80.8% 0.048 222.2)
-
Step 400
400
#66ACC3
oklch(70.7% 0.078 221.2)
-
Step 500
500
#3397B4
oklch(63.2% 0.099 221.2)
-
Step 600
600 (this color)
#048CAB
oklch(59.3% 0.108 220.9)
-
Step 700
700
#006C84
oklch(49.2% 0.09 220.2)
-
Step 800
800
#00586D
oklch(42.6% 0.078 221.3)
-
Step 900
900
#0A495A
oklch(37.7% 0.065 221.5)
-
Step 950
950
#0A2B34
oklch(27% 0.041 219.4)
#048CAB 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) | #7988AD | 0.088 |
| Deuteranopia (no green cones) | #667AAB | 0.078 |
| Tritanopia (no blue cones) | #009696 | 0.051 |
| Achromatopsia (no color) | #808080 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #048CAB
#048CAB
oklch(59.3% 0.108 220.9)
- #B4664A
#B4664A
oklch(59.3% 0.109 40.3)
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 #048CAB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue NCS #118AB2 ΔE 0.014
- Teal Blue #01889F ΔE 0.020
- Teal Green #0A9396 ΔE 0.044
- Steel Blue #4682B4 ΔE 0.046
- Cool Blue #4984B8 ΔE 0.048
- Off Blue #5684AE ΔE 0.050
- Dark Cyan #008B8B ΔE 0.050
- Dusty Blue #5A86AD ΔE 0.052
Use #048CAB 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.