#308FAF
Closest named color: Blue NCS (#118AB2). oklch(60.9% 0.099 224.7), rgb(48, 143, 175).
Aa
Black text reads best on this color (5.67:1).
About this color
#308FAF is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 61%, its chroma 0.099 and its hue 225°. Its hue sits on the cool side of the wheel. The nearest named color is Blue NCS (#118AB2), ΔE 0.022 away. Black text reads best on it, at 5.67:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.099) |
| Temperature | cool |
| Nearest name | Blue NCS (#118AB2) |
| Black text | 5.67:1 |
| White text | 3.70:1 |
Values
| HEX | #308FAF |
| RGB | rgb(48, 143, 175) |
| HSL | hsl(195, 57%, 44%) |
| OKLCH | oklch(60.9% 0.099 224.7) |
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 #308FAF | 3.70:1 | AA large text | Lc -69.8 | Content text, not long reading |
| Black text on #308FAF | 5.67:1 | AA | Lc 39.8 | Non-text elements, placeholder text |
| #308FAF text on white | 3.70:1 | AA large text | Lc 64.3 | Content text, not long reading |
| #308FAF text on black | 5.67:1 | AA | Lc -37.4 | 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
#C7DDE7
oklch(88.4% 0.027 226.8)
-
Step 300
300
#A0C8D8
oklch(80.9% 0.048 224.2)
-
Step 400
400
#69ABC5
oklch(70.7% 0.077 225.2)
-
Step 500
500 (this color)
#308FAF
oklch(60.9% 0.099 224.7)
-
Step 600
600
#007FA1
oklch(55.5% 0.105 225)
-
Step 700
700
#006B88
oklch(49.1% 0.093 224.9)
-
Step 800
800
#005870
oklch(42.8% 0.081 224.4)
-
Step 900
900
#0F485B
oklch(37.6% 0.064 225.4)
-
Step 950
950
#0C2B35
oklch(27.1% 0.04 222.7)
#308FAF 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) | #7D8CB1 | 0.076 |
| Deuteranopia (no green cones) | #6C7FAF | 0.068 |
| Tritanopia (no blue cones) | #009999 | 0.054 |
| Achromatopsia (no color) | #858585 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #308FAF
#308FAF
oklch(60.9% 0.099 224.7)
- #B46F50
#B46F50
oklch(61% 0.099 44.7)
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 #308FAF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue NCS #118AB2 ΔE 0.022
- Teal Blue #01889F ΔE 0.036
- Dusty Blue #5A86AD ΔE 0.039
- Off Blue #5684AE ΔE 0.040
- Cool Blue #4984B8 ΔE 0.041
- Steel Blue #4682B4 ΔE 0.042
- Teal Green #0A9396 ΔE 0.048
- Faded Blue #658CBB ΔE 0.052
Use #308FAF 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.