#319FAC
Closest named color: Cadet Blue (#5F9EA0). oklch(64.7% 0.097 206.5), rgb(49, 159, 172).
Aa
Black text reads best on this color (6.68:1).
About this color
#319FAC is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 65%, its chroma 0.097 and its hue 207°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.036 away. Black text reads best on it, at 6.68:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 6.68:1 |
| White text | 3.14:1 |
Values
| HEX | #319FAC |
| RGB | rgb(49, 159, 172) |
| HSL | hsl(186, 56%, 43%) |
| OKLCH | oklch(64.7% 0.097 206.5) |
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 #319FAC | 3.14:1 | AA large text | Lc -63.5 | Content text, not long reading |
| Black text on #319FAC | 6.68:1 | AA | Lc 45.9 | Large or bold text, headings |
| #319FAC text on white | 3.14:1 | AA large text | Lc 58.1 | Large or bold text, headings |
| #319FAC text on black | 6.68:1 | AA | Lc -43.6 | 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 500.
-
Step 50
50
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E0EDEE
oklch(93.7% 0.014 202.5)
-
Step 200
200
#C6DEE2
oklch(88.4% 0.026 208.7)
-
Step 300
300
#9DCAD0
oklch(80.9% 0.048 206.4)
-
Step 400
400
#63AEB8
oklch(70.6% 0.076 206.7)
-
Step 500
500 (this color)
#319FAC
oklch(64.7% 0.097 206.5)
-
Step 600
600
#00838F
oklch(55.7% 0.095 206.1)
-
Step 700
700
#006E78
oklch(49.1% 0.084 205.8)
-
Step 800
800
#005A63
oklch(42.7% 0.073 206.6)
-
Step 900
900
#034B52
oklch(37.7% 0.063 205.7)
-
Step 950
950
#082C30
oklch(27% 0.04 205.7)
#319FAC 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) | #9199AD | 0.094 |
| Deuteranopia (no green cones) | #808CAC | 0.087 |
| Tritanopia (no blue cones) | #00A6A3 | 0.031 |
| Achromatopsia (no color) | #919191 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #319FAC
#319FAC
oklch(64.7% 0.097 206.5)
- #C3766E
#C3766E
oklch(64.7% 0.098 26.5)
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 #319FAC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.036
- Sea #3C9992 ΔE 0.038
- Persian Green #2A9D8F ΔE 0.044
- Teal Green #0A9396 ΔE 0.048
- Blue Green #0F9B8E ΔE 0.049
- Dull Teal #5F9E8F ΔE 0.051
- Turquoise Blue #06B1C4 ΔE 0.053
- Grey Teal #5E9B8A ΔE 0.054
Use #319FAC 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.