#2F9FCF
Closest named color: Turquoise Blue (#06B1C4). oklch(66.2% 0.12 231.6), rgb(47, 159, 207).
Aa
Black text reads best on this color (6.98:1).
About this color
#2F9FCF is a medium-light, moderately saturated blue. In OKLCH its lightness is 66%, its chroma 0.120 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.059 away. Black text reads best on it, at 6.98:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.120) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 6.98:1 |
| White text | 3.00:1 |
Values
| HEX | #2F9FCF |
| RGB | rgb(47, 159, 207) |
| HSL | hsl(198, 63%, 50%) |
| OKLCH | oklch(66.2% 0.12 231.6) |
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 #2F9FCF | 3.00:1 | AA large text | Lc -61.7 | Content text, not long reading |
| Black text on #2F9FCF | 6.98:1 | AA | Lc 47.7 | Large or bold text, headings |
| #2F9FCF text on white | 3.00:1 | AA large text | Lc 56.4 | Large or bold text, headings |
| #2F9FCF text on black | 6.98:1 | AA | Lc -45.4 | Large or bold text, headings |
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
#F0F6FA
oklch(97% 0.008 236.6)
-
Step 100
100
#DFECF3
oklch(93.5% 0.017 230.9)
-
Step 200
200
#C5DEEB
oklch(88.6% 0.032 230.3)
-
Step 300
300
#9BC8E0
oklch(80.9% 0.058 231.7)
-
Step 400
400
#5FABD1
oklch(70.7% 0.094 231.9)
-
Step 500
500 (this color)
#2F9FCF
oklch(66.2% 0.12 231.6)
-
Step 600
600
#007EA9
oklch(55.6% 0.112 231.2)
-
Step 700
700
#006A8F
oklch(49.2% 0.1 231.3)
-
Step 800
800
#005676
oklch(42.6% 0.087 232.3)
-
Step 900
900
#004863
oklch(37.7% 0.077 231.8)
-
Step 950
950
#062A3A
oklch(26.9% 0.049 232.2)
#2F9FCF 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) | #879DD1 | 0.080 |
| Deuteranopia (no green cones) | #718ECE | 0.067 |
| Tritanopia (no blue cones) | #00ACAF | 0.071 |
| Achromatopsia (no color) | #959595 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F9FCF
#2F9FCF
oklch(66.2% 0.12 231.6)
- #CC7C49
#CC7C49
oklch(66.2% 0.12 51.8)
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 #2F9FCF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.059
- Faded Blue #658CBB ΔE 0.062
- Chefchaouen Blue #4895EF ΔE 0.063
- Dark Sky Blue #448EE4 ΔE 0.063
- Greyblue #77A1B5 ΔE 0.070
- Blue NCS #118AB2 ΔE 0.071
- Cornflower Blue #6495ED ΔE 0.071
- Water Blue #0E87CC ΔE 0.072
Use #2F9FCF 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.