#C7DDEF
Closest named color: Cadet Gray (#CED4DA). oklch(88.7% 0.034 242.7), rgb(199, 221, 239).
Aa
Black text reads best on this color (15.01:1).
About this color
#C7DDEF is a light, muted blue. In OKLCH its lightness is 89%, its chroma 0.034 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Gray (#CED4DA), ΔE 0.031 away. Black text reads best on it, at 15.01:1.
| Hue family | Blues |
| Lightness | light (89%) |
| Chroma | muted (0.034) |
| Temperature | cool |
| Nearest name | Cadet Gray (#CED4DA) |
| Black text | 15.01:1 |
| White text | 1.39:1 |
Values
| HEX | #C7DDEF |
| RGB | rgb(199, 221, 239) |
| HSL | hsl(207, 56%, 86%) |
| OKLCH | oklch(88.7% 0.034 242.7) |
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 #C7DDEF | 1.39:1 | Fails | Lc -22.0 | Dividers and decoration only |
| Black text on #C7DDEF | 15.01:1 | AAA | Lc 84.4 | Fine for body text |
| #C7DDEF text on white | 1.39:1 | Fails | Lc 19.3 | Dividers and decoration only |
| #C7DDEF text on black | 15.01:1 | AAA | Lc -84.2 | Fine for body 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 200.
-
Step 50
50
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF2
oklch(93.6% 0.013 244.3)
-
Step 200
200 (this color)
#C7DDEF
oklch(88.7% 0.034 242.7)
-
Step 300
300
#A9C5DB
oklch(81% 0.043 241.8)
-
Step 400
400
#7AA6C9
oklch(70.6% 0.07 242.9)
-
Step 500
500
#5690BC
oklch(63.2% 0.09 242.7)
-
Step 600
600
#3979A8
oklch(55.5% 0.098 243.1)
-
Step 700
700
#2B6690
oklch(49.1% 0.091 242.8)
-
Step 800
800
#255375
oklch(42.6% 0.076 243.3)
-
Step 900
900
#23455E
oklch(37.7% 0.059 242.4)
-
Step 950
950
#152937
oklch(27.1% 0.037 240.5)
#C7DDEF 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) | #D6DDF0 | 0.019 |
| Deuteranopia (no green cones) | #D1D8EF | 0.017 |
| Tritanopia (no blue cones) | #BDE1E3 | 0.026 |
| Achromatopsia (no color) | #DADADA | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C7DDEF
#C7DDEF
oklch(88.7% 0.034 242.7)
- #EBD5C3
#EBD5C3
oklch(88.6% 0.035 61.7)
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 #C7DDEF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Gray #CED4DA ΔE 0.031
- Powder Blue #B0E0E6 ΔE 0.033
- Gainsboro #DCDCDC ΔE 0.035
- Light Blue #ADD8E6 ΔE 0.038
- Pale Silver #D8E2DC ΔE 0.039
- Light Gray #D3D3D3 ΔE 0.040
- Platinum #E0E1DD ΔE 0.043
- Celeste #A8DADC ΔE 0.048
Use #C7DDEF 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.