#2F8DDC
Closest named color: Dark Sky Blue (#448EE4). oklch(62.7% 0.147 248.4), rgb(47, 141, 220).
Aa
Black text reads best on this color (5.96:1).
About this color
#2F8DDC is a medium-light, vivid blue. In OKLCH its lightness is 63%, its chroma 0.147 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.020 away. Black text reads best on it, at 5.96:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.147) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 5.96:1 |
| White text | 3.52:1 |
Values
| HEX | #2F8DDC |
| RGB | rgb(47, 141, 220) |
| HSL | hsl(207, 71%, 52%) |
| OKLCH | oklch(62.7% 0.147 248.4) |
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 #2F8DDC | 3.52:1 | AA large text | Lc -67.8 | Content text, not long reading |
| Black text on #2F8DDC | 5.96:1 | AA | Lc 41.7 | Non-text elements, placeholder text |
| #2F8DDC text on white | 3.52:1 | AA large text | Lc 62.4 | Content text, not long reading |
| #2F8DDC text on black | 5.96:1 | AA | Lc -39.3 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E0EBF8
oklch(93.6% 0.021 252.5)
-
Step 200
200
#C5DCF3
oklch(88.5% 0.04 248.3)
-
Step 300
300
#9CC5ED
oklch(80.8% 0.072 248.1)
-
Step 400
400
#63A6E5
oklch(70.7% 0.115 248.4)
-
Step 500
500 (this color)
#2F8DDC
oklch(62.7% 0.147 248.4)
-
Step 600
600
#0077C6
oklch(55.6% 0.15 248.2)
-
Step 700
700
#0064A8
oklch(49.2% 0.133 248.3)
-
Step 800
800
#00518B
oklch(42.6% 0.117 248.8)
-
Step 900
900
#094471
oklch(37.7% 0.095 248)
-
Step 950
950
#092842
oklch(26.9% 0.06 247.8)
#2F8DDC 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) | #6891DF | 0.052 |
| Deuteranopia (no green cones) | #4E81DA | 0.036 |
| Tritanopia (no blue cones) | #00A0AA | 0.107 |
| Achromatopsia (no color) | #898989 | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F8DDC
#2F8DDC
oklch(62.7% 0.147 248.4)
- #BD7600
#BD7600
oklch(62.7% 0.137 68.6)
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 #2F8DDC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.020
- Water Blue #0E87CC ΔE 0.033
- Chefchaouen Blue #4895EF ΔE 0.040
- Dodger Blue #1E90FF ΔE 0.052
- Soft Blue #6488EA ΔE 0.052
- Cool Blue #4984B8 ΔE 0.056
- Cornflower Blue #6495ED ΔE 0.058
- Steel Blue #4682B4 ΔE 0.062
Use #2F8DDC 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.