#1DA0DD
Closest named color: Chefchaouen Blue (#4895EF). oklch(66.8% 0.137 236), rgb(29, 160, 221).
Aa
Black text reads best on this color (7.12:1).
About this color
#1DA0DD is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.137 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.049 away. Black text reads best on it, at 7.12:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.137) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 7.12:1 |
| White text | 2.94:1 |
Values
| HEX | #1DA0DD |
| RGB | rgb(29, 160, 221) |
| HSL | hsl(199, 77%, 49%) |
| OKLCH | oklch(66.8% 0.137 236) |
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 #1DA0DD | 2.94:1 | Fails | Lc -60.8 | Content text, not long reading |
| Black text on #1DA0DD | 7.12:1 | AAA | Lc 48.6 | Large or bold text, headings |
| #1DA0DD text on white | 2.94:1 | Fails | Lc 55.4 | Large or bold text, headings |
| #1DA0DD text on black | 7.12:1 | AAA | Lc -46.3 | 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
#F0F7FB
oklch(97.2% 0.009 232.4)
-
Step 100
100
#DEECF5
oklch(93.5% 0.019 235.7)
-
Step 200
200
#C3DEEF
oklch(88.6% 0.037 235.5)
-
Step 300
300
#97C8E7
oklch(80.9% 0.068 236.5)
-
Step 400
400
#57ABDA
oklch(70.8% 0.107 235.5)
-
Step 500
500 (this color)
#1DA0DD
oklch(66.8% 0.137 236)
-
Step 600
600
#007CAF
oklch(55.5% 0.12 236.1)
-
Step 700
700
#006994
oklch(49.2% 0.105 235.5)
-
Step 800
800
#00567A
oklch(42.8% 0.091 235.4)
-
Step 900
900
#004767
oklch(37.7% 0.082 236.6)
-
Step 950
950
#012A3E
oklch(27% 0.057 235.7)
#1DA0DD 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) | #82A0E0 | 0.080 |
| Deuteranopia (no green cones) | #698FDC | 0.064 |
| Tritanopia (no blue cones) | #00B0B5 | 0.086 |
| Achromatopsia (no color) | #969696 | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1DA0DD
#1DA0DD
oklch(66.8% 0.137 236)
- #D37C35
#D37C35
oklch(66.9% 0.137 56.3)
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 #1DA0DD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chefchaouen Blue #4895EF ΔE 0.049
- Dark Sky Blue #448EE4 ΔE 0.054
- Cornflower Blue #6495ED ΔE 0.061
- Turquoise Blue #06B1C4 ΔE 0.069
- Water Blue #0E87CC ΔE 0.072
- Dodger Blue #1E90FF ΔE 0.073
- Faded Blue #658CBB ΔE 0.073
- Soft Blue #6488EA ΔE 0.082
Use #1DA0DD 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.