#1CAAFD
Closest named color: Chefchaouen Blue (#4895EF). oklch(70.8% 0.163 242.5), rgb(28, 170, 253).
Aa
Black text reads best on this color (8.21:1).
About this color
#1CAAFD is a medium-light, vivid blue. In OKLCH its lightness is 71%, its chroma 0.163 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.056 away. Black text reads best on it, at 8.21:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.163) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 8.21:1 |
| White text | 2.55:1 |
Values
| HEX | #1CAAFD |
| RGB | rgb(28, 170, 253) |
| HSL | hsl(202, 98%, 55%) |
| OKLCH | oklch(70.8% 0.163 242.5) |
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 #1CAAFD | 2.55:1 | Fails | Lc -54.5 | Large or bold text, headings |
| Black text on #1CAAFD | 8.21:1 | AAA | Lc 54.6 | Large or bold text, headings |
| #1CAAFD text on white | 2.55:1 | Fails | Lc 49.4 | Large or bold text, headings |
| #1CAAFD text on black | 8.21:1 | AAA | Lc -52.5 | 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
#EEF7FE
oklch(97.1% 0.013 241)
-
Step 100
100
#DAEDFC
oklch(93.7% 0.029 241.6)
-
Step 200
200
#B9DEFC
oklch(88.4% 0.057 242.8)
-
Step 300
300
#84C9FD
oklch(81% 0.102 242.1)
-
Step 400
400 (this color)
#1CAAFD
oklch(70.8% 0.163 242.5)
-
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)
#1CAAFD 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) | #82ACFF | 0.074 |
| Deuteranopia (no green cones) | #6499FB | 0.056 |
| Tritanopia (no blue cones) | #00BFC8 | 0.111 |
| Achromatopsia (no color) | #A2A2A2 | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1CAAFD
#1CAAFD
oklch(70.8% 0.163 242.5)
- #E68600
#E68600
oklch(70.8% 0.162 62.7)
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 #1CAAFD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chefchaouen Blue #4895EF ΔE 0.056
- Deep Sky Blue #00BFFF ΔE 0.057
- Cornflower Blue #6495ED ΔE 0.064
- Dodger Blue #1E90FF ΔE 0.070
- Dark Sky Blue #448EE4 ΔE 0.076
- Soft Blue #6488EA ΔE 0.092
- Bright Sky Blue #02CCFE ΔE 0.093
- Turquoise Blue #06B1C4 ΔE 0.094
Use #1CAAFD 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.