#AECFE5
Closest named color: Light Blue Grey (#B7C9E2). oklch(83.8% 0.047 237.3), rgb(174, 207, 229).
Aa
Black text reads best on this color (12.85:1).
About this color
#AECFE5 is a light, muted blue. In OKLCH its lightness is 84%, its chroma 0.047 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.018 away. Black text reads best on it, at 12.85:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.85:1 |
| White text | 1.63:1 |
Values
| HEX | #AECFE5 |
| RGB | rgb(174, 207, 229) |
| HSL | hsl(204, 51%, 79%) |
| OKLCH | oklch(83.8% 0.047 237.3) |
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 #AECFE5 | 1.63:1 | Fails | Lc -31.8 | Non-text elements, placeholder text |
| Black text on #AECFE5 | 12.85:1 | AAA | Lc 75.6 | Fine for body text |
| #AECFE5 text on white | 1.63:1 | Fails | Lc 28.2 | Dividers and decoration only |
| #AECFE5 text on black | 12.85:1 | AAA | Lc -74.7 | Content text, not long reading |
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 300.
-
Step 50
50
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2EBF2
oklch(93.5% 0.014 241)
-
Step 200
200
#CADCE9
oklch(88.5% 0.026 239.1)
-
Step 300
300 (this color)
#AECFE5
oklch(83.8% 0.047 237.3)
-
Step 400
400
#73A8CA
oklch(70.7% 0.075 237.4)
-
Step 500
500
#4B92BC
oklch(63.1% 0.095 236.9)
-
Step 600
600
#297BA8
oklch(55.5% 0.104 237.3)
-
Step 700
700
#1A6891
oklch(49.2% 0.097 237.3)
-
Step 800
800
#195575
oklch(42.7% 0.08 236.7)
-
Step 900
900
#1C465F
oklch(37.7% 0.063 237.9)
-
Step 950
950
#122937
oklch(26.9% 0.039 237.4)
#AECFE5 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) | #C5CEE6 | 0.029 |
| Deuteranopia (no green cones) | #BEC8E5 | 0.026 |
| Tritanopia (no blue cones) | #9ED5D6 | 0.036 |
| Achromatopsia (no color) | #CACACA | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AECFE5
#AECFE5
oklch(83.8% 0.047 237.3)
- #E2C3AD
#E2C3AD
oklch(83.8% 0.046 57.4)
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 #AECFE5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.018
- Light Blue #ADD8E6 ΔE 0.024
- Light Steel Blue #B0C4DE ΔE 0.028
- Cloudy Blue #ACC2D9 ΔE 0.035
- Celeste #A8DADC ΔE 0.036
- Baby Blue #A2CFFE ΔE 0.037
- Sky Blue #87CEEB ΔE 0.044
- Powder Blue #B0E0E6 ΔE 0.046
Use #AECFE5 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.