#5DA5DB
Closest named color: Cornflower Blue (#6495ED). oklch(69.7% 0.108 242.8), rgb(93, 165, 219).
Aa
Black text reads best on this color (7.87:1).
About this color
#5DA5DB is a medium-light, moderately saturated blue. In OKLCH its lightness is 70%, its chroma 0.108 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.057 away. Black text reads best on it, at 7.87:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.87:1 |
| White text | 2.66:1 |
Values
| HEX | #5DA5DB |
| RGB | rgb(93, 165, 219) |
| HSL | hsl(206, 64%, 61%) |
| OKLCH | oklch(69.7% 0.108 242.8) |
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 #5DA5DB | 2.66:1 | Fails | Lc -56.9 | Large or bold text, headings |
| Black text on #5DA5DB | 7.87:1 | AAA | Lc 52.3 | Large or bold text, headings |
| #5DA5DB text on white | 2.66:1 | Fails | Lc 51.7 | Large or bold text, headings |
| #5DA5DB text on black | 7.87:1 | AAA | Lc -50.2 | 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
#F0F6FB
oklch(97% 0.009 242.8)
-
Step 100
100
#DFECF6
oklch(93.6% 0.019 240.7)
-
Step 200
200
#C5DDF0
oklch(88.6% 0.037 241.8)
-
Step 300
300
#9BC6E9
oklch(80.8% 0.067 243.3)
-
Step 400
400 (this color)
#5DA5DB
oklch(69.7% 0.108 242.8)
-
Step 500
500
#2791D5
oklch(63.1% 0.137 242.7)
-
Step 600
600
#007ABB
oklch(55.7% 0.134 242.9)
-
Step 700
700
#00669E
oklch(49% 0.119 243.2)
-
Step 800
800
#005482
oklch(42.8% 0.102 242.4)
-
Step 900
900
#02466D
oklch(37.8% 0.089 242.5)
-
Step 950
950
#072940
oklch(27% 0.057 243.1)
#5DA5DB 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) | #8DA5DD | 0.053 |
| Deuteranopia (no green cones) | #7C99DA | 0.043 |
| Tritanopia (no blue cones) | #00B2B7 | 0.086 |
| Achromatopsia (no color) | #9E9E9E | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5DA5DB
#5DA5DB
oklch(69.7% 0.108 242.8)
- #CD8E53
#CD8E53
oklch(69.7% 0.108 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 #5DA5DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.057
- Greyblue #77A1B5 ΔE 0.058
- Chefchaouen Blue #4895EF ΔE 0.063
- Turquoise Blue #06B1C4 ΔE 0.068
- Bluegrey #85A3B2 ΔE 0.070
- Bluey Grey #89A0B0 ΔE 0.073
- Faded Blue #658CBB ΔE 0.073
- Dark Sky Blue #448EE4 ΔE 0.074
Use #5DA5DB 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.