#338FA8
Closest named color: Blue NCS (#118AB2). oklch(60.7% 0.092 219.4), rgb(51, 143, 168).
Aa
Black text reads best on this color (5.63:1).
About this color
#338FA8 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 61%, its chroma 0.092 and its hue 219°. Its hue sits on the cool side of the wheel. The nearest named color is Blue NCS (#118AB2), ΔE 0.029 away. Black text reads best on it, at 5.63:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Blue NCS (#118AB2) |
| Black text | 5.63:1 |
| White text | 3.72:1 |
Values
| HEX | #338FA8 |
| RGB | rgb(51, 143, 168) |
| HSL | hsl(193, 53%, 43%) |
| OKLCH | oklch(60.7% 0.092 219.4) |
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 #338FA8 | 3.72:1 | AA large text | Lc -70.0 | Content text, not long reading |
| Black text on #338FA8 | 5.63:1 | AA | Lc 39.5 | Non-text elements, placeholder text |
| #338FA8 text on white | 3.72:1 | AA large text | Lc 64.5 | Content text, not long reading |
| #338FA8 text on black | 5.63:1 | AA | Lc -37.1 | 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
#F1F6F8
oklch(97% 0.006 223.5)
-
Step 100
100
#E1ECF0
oklch(93.6% 0.013 221.4)
-
Step 200
200
#C8DDE5
oklch(88.4% 0.025 222.6)
-
Step 300
300
#A1C8D5
oklch(80.9% 0.045 220.1)
-
Step 400
400
#6BACC0
oklch(70.8% 0.072 219.5)
-
Step 500
500 (this color)
#338FA8
oklch(60.7% 0.092 219.4)
-
Step 600
600
#02809B
oklch(55.5% 0.1 219.6)
-
Step 700
700
#006C83
oklch(49.1% 0.089 219.3)
-
Step 800
800
#00586C
oklch(42.6% 0.078 220.2)
-
Step 900
900
#124957
oklch(37.7% 0.06 218.7)
-
Step 950
950
#0D2B33
oklch(27.1% 0.038 218.3)
#338FA8 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) | #7F8BA9 | 0.077 |
| Deuteranopia (no green cones) | #6F7FA8 | 0.070 |
| Tritanopia (no blue cones) | #009797 | 0.044 |
| Achromatopsia (no color) | #848484 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #338FA8
#338FA8
oklch(60.7% 0.092 219.4)
- #B26E58
#B26E58
oklch(60.7% 0.093 38.7)
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 #338FA8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue NCS #118AB2 ΔE 0.029
- Teal Blue #01889F ΔE 0.032
- Teal Green #0A9396 ΔE 0.038
- Dusty Blue #5A86AD ΔE 0.042
- Off Blue #5684AE ΔE 0.044
- Steel Blue #4682B4 ΔE 0.048
- Cool Blue #4984B8 ΔE 0.048
- Dark Cyan #008B8B ΔE 0.051
Use #338FA8 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.