#2F779F
Closest named color: Muted Blue (#3B719F). oklch(54.2% 0.094 236.7), rgb(47, 119, 159).
Aa
White text reads best on this color (4.92:1).
About this color
#2F779F is a medium-dark, moderately saturated blue. In OKLCH its lightness is 54%, its chroma 0.094 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Muted Blue (#3B719F), ΔE 0.019 away. White text reads best on it, at 4.92:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Muted Blue (#3B719F) |
| Black text | 4.26:1 |
| White text | 4.92:1 |
Values
| HEX | #2F779F |
| RGB | rgb(47, 119, 159) |
| HSL | hsl(201, 54%, 40%) |
| OKLCH | oklch(54.2% 0.094 236.7) |
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 #2F779F | 4.92:1 | AA | Lc -79.3 | Fine for body text |
| Black text on #2F779F | 4.26:1 | AA large text | Lc 30.2 | Non-text elements, placeholder text |
| #2F779F text on white | 4.92:1 | AA | Lc 73.9 | Content text, not long reading |
| #2F779F text on black | 4.26:1 | AA large text | Lc -27.8 | Dividers and decoration only |
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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF1
oklch(93.6% 0.012 239.9)
-
Step 200
200
#CBDCE7
oklch(88.5% 0.024 236)
-
Step 300
300
#A8C5D9
oklch(80.8% 0.042 238.2)
-
Step 400
400
#77A8C6
oklch(70.8% 0.068 235.9)
-
Step 500
500
#5291B7
oklch(63% 0.087 236.8)
-
Step 600
600 (this color)
#2F779F
oklch(54.2% 0.094 236.7)
-
Step 700
700
#25688C
oklch(49.2% 0.088 236.2)
-
Step 800
800
#215572
oklch(42.8% 0.073 236.5)
-
Step 900
900
#21465C
oklch(37.7% 0.057 237)
-
Step 950
950
#142936
oklch(27% 0.036 237.4)
#2F779F 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) | #6476A1 | 0.055 |
| Deuteranopia (no green cones) | #556B9E | 0.047 |
| Tritanopia (no blue cones) | #008185 | 0.061 |
| Achromatopsia (no color) | #707070 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F779F
#2F779F
oklch(54.2% 0.094 236.7)
- #996034
#996034
oklch(54.3% 0.095 56.6)
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 #2F779F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muted Blue #3B719F ΔE 0.019
- Dull Blue #49759C ΔE 0.022
- Flat Blue #3C73A8 ΔE 0.023
- Cerulean #457B9D ΔE 0.024
- Sea Blue #047495 ΔE 0.027
- Nice Blue #107AB0 ΔE 0.028
- Ocean Blue #03719C ΔE 0.029
- Ocean #017B92 ΔE 0.033
Use #2F779F 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.