#43A4E7
Closest named color: Chefchaouen Blue (#4895EF). oklch(69.1% 0.134 242.5), rgb(67, 164, 231).
Aa
Black text reads best on this color (7.70:1).
About this color
#43A4E7 is a medium-light, moderately saturated blue. In OKLCH its lightness is 69%, its chroma 0.134 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.045 away. Black text reads best on it, at 7.70:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.134) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 7.70:1 |
| White text | 2.72:1 |
Values
| HEX | #43A4E7 |
| RGB | rgb(67, 164, 231) |
| HSL | hsl(205, 77%, 58%) |
| OKLCH | oklch(69.1% 0.134 242.5) |
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 #43A4E7 | 2.72:1 | Fails | Lc -57.7 | Large or bold text, headings |
| Black text on #43A4E7 | 7.70:1 | AAA | Lc 51.6 | Large or bold text, headings |
| #43A4E7 text on white | 2.72:1 | Fails | Lc 52.5 | Large or bold text, headings |
| #43A4E7 text on black | 7.70:1 | AAA | Lc -49.4 | 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 400.
-
Step 50
50
#EFF7FD
oklch(97.2% 0.012 239.9)
-
Step 100
100
#DDECF9
oklch(93.6% 0.024 244.1)
-
Step 200
200
#BFDEF6
oklch(88.6% 0.047 241.4)
-
Step 300
300
#91C8F2
oklch(81% 0.083 241.9)
-
Step 400
400 (this color)
#43A4E7
oklch(69.1% 0.134 242.5)
-
Step 500
500
#0091DC
oklch(63% 0.151 242.6)
-
Step 600
600
#007ABA
oklch(55.6% 0.133 242.5)
-
Step 700
700
#00669D
oklch(49% 0.118 242.7)
-
Step 800
800
#005482
oklch(42.8% 0.102 242.4)
-
Step 900
900
#00466D
oklch(37.8% 0.09 242.2)
-
Step 950
950
#002943
oklch(27% 0.065 242.6)
#43A4E7 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) | #85A5EA | 0.063 |
| Deuteranopia (no green cones) | #6F96E6 | 0.050 |
| Tritanopia (no blue cones) | #00B4BB | 0.094 |
| Achromatopsia (no color) | #9D9D9D | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #43A4E7
#43A4E7
oklch(69.1% 0.134 242.5)
- #D58737
#D58737
oklch(69.1% 0.133 62.6)
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 #43A4E7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chefchaouen Blue #4895EF ΔE 0.045
- Cornflower Blue #6495ED ΔE 0.048
- Dark Sky Blue #448EE4 ΔE 0.060
- Deep Sky Blue #00BFFF ΔE 0.073
- Dodger Blue #1E90FF ΔE 0.075
- Turquoise Blue #06B1C4 ΔE 0.076
- Soft Blue #6488EA ΔE 0.077
- Faded Blue #658CBB ΔE 0.081
Use #43A4E7 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.