#048BAC
Closest named color: Blue NCS (#118AB2). oklch(59.1% 0.109 222.5), rgb(4, 139, 172).
Aa
Black text reads best on this color (5.29:1).
About this color
#048BAC is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 59%, its chroma 0.109 and its hue 222°. Its hue sits on the cool side of the wheel. The nearest named color is Blue NCS (#118AB2), ΔE 0.011 away. Black text reads best on it, at 5.29:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.109) |
| Temperature | cool |
| Nearest name | Blue NCS (#118AB2) |
| Black text | 5.29:1 |
| White text | 3.96:1 |
Values
| HEX | #048BAC |
| RGB | rgb(4, 139, 172) |
| HSL | hsl(192, 95%, 35%) |
| OKLCH | oklch(59.1% 0.109 222.5) |
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 #048BAC | 3.96:1 | AA large text | Lc -71.9 | Content text, not long reading |
| Black text on #048BAC | 5.29:1 | AA | Lc 37.6 | Non-text elements, placeholder text |
| #048BAC text on white | 3.96:1 | AA large text | Lc 66.4 | Content text, not long reading |
| #048BAC text on black | 5.29:1 | AA | Lc -35.2 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E0ECF1
oklch(93.6% 0.015 224.5)
-
Step 200
200
#C7DEE6
oklch(88.6% 0.027 220.7)
-
Step 300
300
#9FC8D8
oklch(80.9% 0.049 223.7)
-
Step 400
400
#66ACC4
oklch(70.7% 0.079 222.1)
-
Step 500
500
#3397B5
oklch(63.2% 0.1 221.9)
-
Step 600
600 (this color)
#048BAC
oklch(59.1% 0.109 222.5)
-
Step 700
700
#006B86
oklch(49% 0.091 223.1)
-
Step 800
800
#00586E
oklch(42.7% 0.079 222.3)
-
Step 900
900
#0B495B
oklch(37.8% 0.066 223)
-
Step 950
950
#0A2B35
oklch(27% 0.042 221.8)
#048BAC 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) | #7887AE | 0.087 |
| Deuteranopia (no green cones) | #647AAC | 0.075 |
| Tritanopia (no blue cones) | #009596 | 0.052 |
| Achromatopsia (no color) | #808080 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #048BAC
#048BAC
oklch(59.1% 0.109 222.5)
- #B36647
#B36647
oklch(59.1% 0.109 42.3)
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 #048BAC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue NCS #118AB2 ΔE 0.011
- Teal Blue #01889F ΔE 0.020
- Steel Blue #4682B4 ΔE 0.043
- Cool Blue #4984B8 ΔE 0.046
- Teal Green #0A9396 ΔE 0.048
- Off Blue #5684AE ΔE 0.049
- Cerulean #457B9D ΔE 0.050
- Dusty Blue #5A86AD ΔE 0.051
Use #048BAC 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.