#308FAD
Closest named color: Blue NCS (#118AB2). oklch(60.8% 0.097 223.1), rgb(48, 143, 173).
Aa
Black text reads best on this color (5.65:1).
About this color
#308FAD is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 61%, its chroma 0.097 and its hue 223°. Its hue sits on the cool side of the wheel. The nearest named color is Blue NCS (#118AB2), ΔE 0.023 away. Black text reads best on it, at 5.65:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Blue NCS (#118AB2) |
| Black text | 5.65:1 |
| White text | 3.71:1 |
Values
| HEX | #308FAD |
| RGB | rgb(48, 143, 173) |
| HSL | hsl(194, 57%, 43%) |
| OKLCH | oklch(60.8% 0.097 223.1) |
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 #308FAD | 3.71:1 | AA large text | Lc -69.9 | Content text, not long reading |
| Black text on #308FAD | 5.65:1 | AA | Lc 39.7 | Non-text elements, placeholder text |
| #308FAD text on white | 3.71:1 | AA large text | Lc 64.4 | Content text, not long reading |
| #308FAD text on black | 5.65:1 | AA | Lc -37.3 | 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 500.
-
Step 50
50
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF1
oklch(93.6% 0.014 226.6)
-
Step 200
200
#C7DDE6
oklch(88.4% 0.027 224.3)
-
Step 300
300
#A0C8D7
oklch(80.9% 0.047 222.7)
-
Step 400
400
#69ABC3
oklch(70.6% 0.076 223.3)
-
Step 500
500 (this color)
#308FAD
oklch(60.8% 0.097 223.1)
-
Step 600
600
#00809F
oklch(55.6% 0.103 222.6)
-
Step 700
700
#006B86
oklch(49% 0.091 223.1)
-
Step 800
800
#00586F
oklch(42.7% 0.08 223.4)
-
Step 900
900
#0F495A
oklch(37.8% 0.063 222.4)
-
Step 950
950
#0C2B35
oklch(27.1% 0.04 222.7)
#308FAD 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) | #7E8CAF | 0.077 |
| Deuteranopia (no green cones) | #6D7FAD | 0.069 |
| Tritanopia (no blue cones) | #009899 | 0.049 |
| Achromatopsia (no color) | #858585 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #308FAD
#308FAD
oklch(60.8% 0.097 223.1)
- #B36F52
#B36F52
oklch(60.9% 0.096 43.7)
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 #308FAD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue NCS #118AB2 ΔE 0.023
- Teal Blue #01889F ΔE 0.034
- Dusty Blue #5A86AD ΔE 0.040
- Off Blue #5684AE ΔE 0.042
- Cool Blue #4984B8 ΔE 0.043
- Steel Blue #4682B4 ΔE 0.044
- Teal Green #0A9396 ΔE 0.045
- Faded Blue #658CBB ΔE 0.054
Use #308FAD 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.